SUMMARY OF QUARTERLY CONSOLIDATED FINANCIAL INFORMATION (UNAUDITED) (Details) (USD $) In Thousands, except Share data, unless otherwise specified
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3 Months Ended |
12 Months Ended |
Dec. 31, 2014
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Sep. 30, 2014
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Jun. 30, 2014
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Mar. 31, 2014
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Dec. 31, 2013
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Sep. 30, 2013
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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Quarterly Financial Information Disclosure [Abstract] |
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Interest income |
$ 23,738us-gaap_InterestAndDividendIncomeOperating
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[1] |
$ 27,544us-gaap_InterestAndDividendIncomeOperating
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[2] |
$ 29,893us-gaap_InterestAndDividendIncomeOperating
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[2] |
$ 46,452us-gaap_InterestAndDividendIncomeOperating
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[2],[3] |
$ 42,072us-gaap_InterestAndDividendIncomeOperating
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$ 47,484us-gaap_InterestAndDividendIncomeOperating
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[3] |
$ 62,824us-gaap_InterestAndDividendIncomeOperating
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[3] |
$ 61,332us-gaap_InterestAndDividendIncomeOperating
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[3] |
$ 127,627us-gaap_InterestAndDividendIncomeOperating
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$ 213,712us-gaap_InterestAndDividendIncomeOperating
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$ 282,951us-gaap_InterestAndDividendIncomeOperating
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Interest expense |
19,113us-gaap_InterestExpense
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[1] |
18,411us-gaap_InterestExpense
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[2] |
20,328us-gaap_InterestExpense
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[2] |
22,170us-gaap_InterestExpense
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[2] |
18,696us-gaap_InterestExpense
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17,675us-gaap_InterestExpense
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[3] |
20,752us-gaap_InterestExpense
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[3] |
21,478us-gaap_InterestExpense
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[3] |
80,022us-gaap_InterestExpense
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78,601us-gaap_InterestExpense
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108,236us-gaap_InterestExpense
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Net interest income (expense) |
4,625us-gaap_InterestIncomeExpenseNet
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[1] |
9,133us-gaap_InterestIncomeExpenseNet
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[2] |
9,565us-gaap_InterestIncomeExpenseNet
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[2] |
24,282us-gaap_InterestIncomeExpenseNet
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[2] |
23,376us-gaap_InterestIncomeExpenseNet
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29,809us-gaap_InterestIncomeExpenseNet
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[3] |
42,072us-gaap_InterestIncomeExpenseNet
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[3] |
39,854us-gaap_InterestIncomeExpenseNet
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[3] |
47,605us-gaap_InterestIncomeExpenseNet
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135,111us-gaap_InterestIncomeExpenseNet
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174,715us-gaap_InterestIncomeExpenseNet
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Total Impairment (Reversal) |
(1,176)nct_ImpairmentNetOfTheReversalOfPriorValuationAllowancesOnLoans
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[1] |
(4,015)nct_ImpairmentNetOfTheReversalOfPriorValuationAllowancesOnLoans
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[2] |
1,526nct_ImpairmentNetOfTheReversalOfPriorValuationAllowancesOnLoans
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[2] |
1,246nct_ImpairmentNetOfTheReversalOfPriorValuationAllowancesOnLoans
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[2] |
(12,745)nct_ImpairmentNetOfTheReversalOfPriorValuationAllowancesOnLoans
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(12,998)nct_ImpairmentNetOfTheReversalOfPriorValuationAllowancesOnLoans
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[3] |
3,201nct_ImpairmentNetOfTheReversalOfPriorValuationAllowancesOnLoans
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[3] |
2,773nct_ImpairmentNetOfTheReversalOfPriorValuationAllowancesOnLoans
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[3] |
(2,419)nct_ImpairmentNetOfTheReversalOfPriorValuationAllowancesOnLoans
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(19,769)nct_ImpairmentNetOfTheReversalOfPriorValuationAllowancesOnLoans
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(5,664)nct_ImpairmentNetOfTheReversalOfPriorValuationAllowancesOnLoans
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Total operating revenues |
64,674us-gaap_OtherOperatingIncome
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[1] |
81,494us-gaap_OtherOperatingIncome
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[2] |
82,737us-gaap_OtherOperatingIncome
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[2] |
62,632us-gaap_OtherOperatingIncome
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[2] |
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[3] |
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[3] |
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[3] |
291,537us-gaap_OtherOperatingIncome
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Total other income |
4,329us-gaap_NonoperatingGainsLosses
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[1],[2] |
12,618us-gaap_NonoperatingGainsLosses
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[2],[3] |
41,707us-gaap_NonoperatingGainsLosses
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[2],[3] |
15,808us-gaap_NonoperatingGainsLosses
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[2],[3] |
14,766us-gaap_NonoperatingGainsLosses
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[2] |
6,784us-gaap_NonoperatingGainsLosses
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[2],[3] |
7,978us-gaap_NonoperatingGainsLosses
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[2],[3] |
5,762us-gaap_NonoperatingGainsLosses
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[2],[3] |
74,462us-gaap_NonoperatingGainsLosses
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[2] |
35,290us-gaap_NonoperatingGainsLosses
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[2] |
262,376us-gaap_NonoperatingGainsLosses
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Property operating expenses |
66,316us-gaap_CostOfOtherPropertyOperatingExpense
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[1] |
77,167us-gaap_CostOfOtherPropertyOperatingExpense
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[2] |
75,289us-gaap_CostOfOtherPropertyOperatingExpense
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[2] |
65,603us-gaap_CostOfOtherPropertyOperatingExpense
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[2] |
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[3] |
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[3] |
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[3] |
284,375us-gaap_CostOfOtherPropertyOperatingExpense
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Depreciation and amortization |
7,583us-gaap_DepreciationDepletionAndAmortization
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[1] |
7,204us-gaap_DepreciationDepletionAndAmortization
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[2] |
6,317us-gaap_DepreciationDepletionAndAmortization
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[2] |
5,863us-gaap_DepreciationDepletionAndAmortization
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[2] |
2us-gaap_DepreciationDepletionAndAmortization
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2us-gaap_DepreciationDepletionAndAmortization
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[3] |
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[3] |
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[3] |
26,967us-gaap_DepreciationDepletionAndAmortization
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4us-gaap_DepreciationDepletionAndAmortization
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Other operating expenses |
7,150nct_OtherOperatingExpenses
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[1] |
8,955nct_OtherOperatingExpenses
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[2] |
10,471nct_OtherOperatingExpenses
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[2] |
10,314nct_OtherOperatingExpenses
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[2] |
11,770nct_OtherOperatingExpenses
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8,533nct_OtherOperatingExpenses
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[3] |
16,339nct_OtherOperatingExpenses
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[3] |
12,730nct_OtherOperatingExpenses
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[3] |
36,890nct_OtherOperatingExpenses
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49,372nct_OtherOperatingExpenses
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Income tax expense |
64us-gaap_IncomeTaxExpenseBenefit
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[1] |
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[2] |
4us-gaap_IncomeTaxExpenseBenefit
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[2] |
140us-gaap_IncomeTaxExpenseBenefit
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[2],[3] |
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[3] |
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[3] |
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[3] |
208us-gaap_IncomeTaxExpenseBenefit
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Income from continuing operations |
(6,309)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
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[1] |
13,934us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
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[2] |
40,402us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
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[2] |
19,556us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
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[2],[3] |
39,115us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
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41,056us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
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[3] |
30,510us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
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[3] |
30,113us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
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[3] |
67,583us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
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140,794us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
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403,645us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
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Income (loss) from discontinued operations |
(2,762)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
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[1] |
(8,624)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
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[2] |
(8,504)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
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[2] |
(15,299)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
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[2],[3] |
(10,180)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
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(9,386)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
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[3] |
23,213us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
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[3] |
7,900us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
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[3] |
(35,189)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
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11,547us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
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Preferred dividends |
(1,395)us-gaap_PreferredStockDividendsIncomeStatementImpact
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[1] |
(1,395)us-gaap_PreferredStockDividendsIncomeStatementImpact
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[2] |
(1,395)us-gaap_PreferredStockDividendsIncomeStatementImpact
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[2] |
(1,395)us-gaap_PreferredStockDividendsIncomeStatementImpact
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[2],[3] |
(1,395)us-gaap_PreferredStockDividendsIncomeStatementImpact
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(1,395)us-gaap_PreferredStockDividendsIncomeStatementImpact
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[3] |
(1,395)us-gaap_PreferredStockDividendsIncomeStatementImpact
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[3] |
(1,395)us-gaap_PreferredStockDividendsIncomeStatementImpact
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[3] |
(5,580)us-gaap_PreferredStockDividendsIncomeStatementImpact
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(5,580)us-gaap_PreferredStockDividendsIncomeStatementImpact
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(5,580)us-gaap_PreferredStockDividendsIncomeStatementImpact
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Net income (loss) attributable to noncontrolling interests |
141us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
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[1] |
21us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
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[2] |
29us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
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[2] |
661us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
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[2],[3] |
(928)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
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[3] |
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[3] |
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[3] |
852us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
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(928)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
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Income Applicable to Common Stockholders |
$ (10,325)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
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[1] |
$ 3,936us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
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[2] |
$ 30,532us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
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[2] |
$ 3,523us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
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[2],[3] |
$ 26,612us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
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$ 30,275us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
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[3] |
$ 52,328us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
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[3] |
$ 36,618us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
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[3] |
$ 27,666us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
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$ 145,833us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
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$ 428,530us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
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Income (Loss) Per Share of Common Stock |
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Basic |
$ (0.16)us-gaap_EarningsPerShareBasic
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[1] |
$ 0.06us-gaap_EarningsPerShareBasic
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[3] |
$ 0.52us-gaap_EarningsPerShareBasic
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[3] |
$ 0.06us-gaap_EarningsPerShareBasic
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[3] |
$ 0.50us-gaap_EarningsPerShareBasic
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[4] |
$ 0.62us-gaap_EarningsPerShareBasic
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[3] |
$ 1.21us-gaap_EarningsPerShareBasic
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[3] |
$ 0.93us-gaap_EarningsPerShareBasic
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[3] |
$ 0.45us-gaap_EarningsPerShareBasic
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[4] |
$ 3.16us-gaap_EarningsPerShareBasic
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[4] |
$ 17.84us-gaap_EarningsPerShareBasic
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[4] |
Diluted |
$ (0.16)us-gaap_EarningsPerShareDiluted
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[1] |
$ 0.06us-gaap_EarningsPerShareDiluted
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[3] |
$ 0.50us-gaap_EarningsPerShareDiluted
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[3] |
$ 0.06us-gaap_EarningsPerShareDiluted
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[3] |
$ 0.49us-gaap_EarningsPerShareDiluted
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[4] |
$ 0.60us-gaap_EarningsPerShareDiluted
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[3] |
$ 1.18us-gaap_EarningsPerShareDiluted
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[3] |
$ 0.92us-gaap_EarningsPerShareDiluted
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[3] |
$ 0.44us-gaap_EarningsPerShareDiluted
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[4] |
$ 3.09us-gaap_EarningsPerShareDiluted
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[4] |
$ 17.64us-gaap_EarningsPerShareDiluted
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[4] |
Income (loss) from discontinued operations per share of common stock |
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Basic |
$ (0.04)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
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[1] |
$ (0.14)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
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[3] |
$ (0.15)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
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[3] |
$ (0.26)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
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[3] |
$ (0.19)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
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[4] |
$ (0.19)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
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[3] |
$ 0.54us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
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[3] |
$ 0.20us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
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[3] |
$ (0.57)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
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[4] |
$ 0.25us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
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[4] |
$ 1.27us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
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[4] |
Diluted |
$ (0.04)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
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[1] |
$ (0.14)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
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[3] |
$ (0.15)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
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[3] |
$ (0.26)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
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[3] |
$ (0.19)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
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[4] |
$ (0.19)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
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[3] |
$ 0.52us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
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[3] |
$ 0.20us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
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[3] |
$ (0.57)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
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[4] |
$ 0.24us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
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[4] |
$ 1.25us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
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[4] |
Weighted Average Number of Shares of Common Stock Outstanding |
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Basic |
66,404,000us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
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[1] |
62,329,000us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
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[3] |
58,600,000us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
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[3] |
58,576,000us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
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[3] |
53,114,000us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
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48,896,000us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
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[3] |
43,205,000us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
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[3] |
39,189,000us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
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[3] |
61,500,913us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
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[4] |
46,146,882us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
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[4] |
24,024,395us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
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[4] |
Diluted |
66,404,000us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
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[1] |
63,866,000us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
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[3] |
60,477,000us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
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[3] |
60,511,000us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
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[3] |
54,267,000us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
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50,171,000us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
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[3] |
44,233,000us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
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[3] |
40,013,000us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
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[3] |
63,131,227us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
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[4] |
47,218,274us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
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[4] |
24,294,402us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
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[4] |
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