| DEBT OBLIGATIONS - Debt Obligations (Details) (USD $) In Thousands, unless otherwise specified | 9 Months Ended | 1 Months Ended | 9 Months Ended | 9 Months Ended | 1 Months Ended | 9 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep. 30, 2014 | Sep. 30, 2014
 CDO VI Bonds Payable [Member] | Jun. 30, 2013
 CDO VIII Bonds Payable [Member] | Sep. 30, 2014
 CDO VIII Bonds Payable [Member] | Sep. 30, 2014
 CDO IX Bonds Payable [Member] | Sep. 30, 2014
 Total CDO Bonds Payable [Member] | Jul. 31, 2014
 Total CDO Bonds Payable [Member] | Sep. 30, 2014
 NCT 2013-VI IMM-1 [Member] | Sep. 30, 2014
 Total Other Bonds And Notes Payable [Member] | Jul. 31, 2014
 CDO Securities Repurchase Agreements [Member] | Sep. 30, 2014
 CDO Securities Repurchase Agreements [Member] | Sep. 30, 2014
 Total Repurchase Agreements [Member] | Sep. 30, 2014
 Fixed Rate Managed Properties [Member] | Sep. 30, 2014
 Fixed Rate Managed Properties [Member]
 Lower Range [Member] | Sep. 30, 2014
 Fixed Rate Managed Properties [Member]
 Upper Range [Member] | Sep. 30, 2014
 Floating Rate Managed Properties [Member] | Sep. 30, 2014
 Floating Rate Managed Properties [Member]
 Lower Range [Member] | Sep. 30, 2014
 Floating Rate Managed Properties [Member]
 Upper Range [Member] | Sep. 30, 2014
 Fixed Rate Triple Net Lease Properties [Member] | Sep. 30, 2014
 Fixed Rate Triple Net Lease Properties [Member]
 Lower Range [Member] | Sep. 30, 2014
 Fixed Rate Triple Net Lease Properties [Member]
 Upper Range [Member] | Sep. 30, 2014
 Total Mortgage Notes Payable [Member] | Sep. 30, 2014
 Golf First Lien Loan [Member] | Sep. 30, 2014
 Golf Second Lien Loan [Member] | Sep. 30, 2014
 Golf Vineyard II [Member] | Sep. 30, 2014
 Capital Lease Equipment [Member] | Sep. 30, 2014
 Capital Lease Equipment [Member]
 Lower Range [Member] | Sep. 30, 2014
 Capital Lease Equipment [Member]
 Upper Range [Member] | Sep. 30, 2014
 Total Golf Credit Facilities [Member] | Sep. 30, 2014
 Junior Subordinated Notes Payable [Member] | Sep. 30, 2014
 Total Corporate [Member] | Sep. 30, 2014
 Debt Obligations [Member] | Sep. 30, 2014
 Subprime mortgage loans subject to call option [Member] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Month Issued | 2005-04 | [1] | 2006-11 | 2007-05 | 2013-11 | [2] | 2013-12 | [2],[3] | 2013-12 | [4] | 2013-12 | [4] | 1993-12 | [4] | 2014-05 | [4] | 2014-09 | [4] | 2006-03 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt Face Amount | $ 2,147,137 | $ 92,349 | [1] | $ 71,813 | $ 65,671 | $ 229,833 | $ 20,000 | $ 88,223 | [2] | $ 88,223 | $ 12,000 | $ 63,804 | [2],[3] | $ 63,804 | [3] | $ 157,393 | $ 278,549 | $ 711,422 | $ 1,147,364 | $ 49,923 | [4] | $ 105,575 | [4] | $ 200 | [4] | $ 4,994 | [4] | $ 160,692 | [4] | $ 51,004 | $ 51,004 | $ 1,740,920 | $ 406,217 | [5] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Carrying Value | 2,142,875 | [6] | 92,349 | [1] | 71,770 | 66,739 | 230,858 | 82,063 | [2] | 82,063 | 63,804 | [2],[3] | 63,804 | [3] | 158,037 | 278,549 | 711,422 | 1,148,008 | 49,923 | [4] | 105,575 | [4] | 200 | [4] | 4,994 | [4] | 160,692 | [4] | 51,223 | 51,233 | 1,736,658 | 406,217 | [5] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Final Stated Maturity | 2040-04 | [1] | 2052-11 | 2052-05 | 2040-04 | [2] | 2014-10 | [2],[3] | 2018-08 | 2020-03 | 2016-08 | 2019-09 | 2021-01 | 2024-01 | 2018-12 | [4] | 2018-12 | [4] | 2043-12 | [4] | 2020-03 | [4] | 2035-04 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Weighted Average Coupon - Rate | 0.84% | [1],[7] | 2.12% | [7] | 0.72% | [7] | 1.66% | [7],[8],[9] | 4.93% | [7],[8],[9] | 3.83% | [10],[7] | 8.00% | [10],[7] | 5.50% | [4],[7] | 2.13% | [4],[7] | 5.25% | [4],[7] | 7.15% | [4],[7] | 7.57% | [11],[7] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Weighted Average Coupon - Basis for Variable Rate | one-month LIBOR | LIBOR | [2],[7] | one month LIBOR | LIBOR | [2],[3],[7] | LIBOR | [12],[7] | LIBOR | [12],[7] | 3 month LIBOR | [13],[4],[7] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Weighted Average Coupon - Spread on Basis for Variable Rate | 1.50% | 0.25% | [2],[7] | 1.65% | 1.65% | [2],[3],[7] | 2.75% | [12],[7] | 3.75% | [12],[7] | 4.00% | [13],[4],[7] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Weighted Average Funding Cost | 5.36% | [1],[14] | 6.55% | [14] | 0.18% | [14] | 4.23% | [14] | 5.86% | [14],[2] | 5.86% | [14] | 1.81% | [14],[2],[3] | 1.81% | [14],[3] | 4.84% | [14] | 4.55% | [14] | 5.10% | [14] | 4.93% | [14] | 4.50% | [14],[4] | 5.50% | [14],[4] | 2.13% | [14],[4] | 6.96% | [14],[4] | 5.25% | [14],[4] | 7.36% | [14] | 7.36% | [14] | 4.87% | [14] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Weighted Average Life (Years) | 5 years 2 months 12 days | [1] | 2 years 3 months 18 days | 1 year 7 months 6 days | 3 years 3 months 18 days | 1 year 8 months 12 days | [2] | 1 year 8 months 12 days | 0 years 1 month 6 days | [2],[3] | 0 years 1 month 6 days | [3] | 4 years 7 months 6 days | 3 years 7 months 6 days | 7 years 3 months 18 days | 6 years | 3 years 3 months 18 days | [4] | 3 years 3 months 18 days | [4] | 29 years 2 months 12 days | [4] | 5 years 6 months | [4] | 3 years 4 months 24 days | [4] | 20 years 7 months 6 days | 20 years 7 months 6 days | 5 years 4 months 24 days | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Face Amount of Floating Rate Debt | 88,894 | [1] | 64,213 | 65,671 | 218,778 | 88,223 | [2] | 88,223 | 63,804 | [2],[3] | 63,804 | [3] | 278,549 | 278,549 | 49,923 | [4] | 200 | [4] | 50,123 | [4] | 699,477 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Outstanding Face Amount of Collateral | 156,016 | [1],[15] | 226,441 | [15] | 297,120 | [15] | 679,577 | [15] | 679,577 | [15] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Amortized Cost Basis of Collateral | 89,826 | [1],[15] | 160,931 | [15] | 238,374 | [15] | 489,131 | [15] | 180,655 | [15] | 366,598 | [15] | 962,489 | [15] | 1,509,742 | [15] | 1,998,873 | [15] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Carrying Value of Collateral | 123,941 | [1],[15] | 175,216 | [15] | 248,189 | [15] | 547,346 | [15] | 180,655 | [15] | 366,598 | [15] | 962,489 | [15] | 1,509,742 | [15] | 2,057,088 | [15] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Weighted Average Maturity (Years) Of Collateral | 2 years 7 months 6 days | [1] | 2 years 2 months 12 days | 2 years 6 months | 2 years 4 months 24 days | 2 years 4 months 24 days | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Floating Rate Face Amount of Collateral | 34,221 | [1],[15] | 89,874 | [15] | 64,489 | [15] | 188,584 | [15] | 188,584 | [15] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Aggregate Notional Amount of Current Hedges | $ 130,342 | [1],[16] | $ 83,673 | [16] | $ 214,015 | [16] | $ 214,015 | [16] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 
 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||