Quarterly report pursuant to Section 13 or 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)

v3.7.0.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)
 1 Months Ended 3 Months Ended 6 Months Ended
Feb. 28, 2011
USD ($)
Jun. 30, 2017
USD ($)
derivative_instrument
contract
Jun. 30, 2016
USD ($)
Jun. 30, 2017
USD ($)
derivative_instrument
contract
Jun. 30, 2016
USD ($)
Dec. 31, 2016
USD ($)
Derivative [Line Items]            
Refundable term for initiation fees       30 years    
Expected life of active golf membership       7 years    
Operating lease term   20 years        
Ownership in equity investment (as percent)   22.00%   22.00%    
Other investments   $ 20,019,000   $ 20,019,000   $ 19,256,000
Acquisition of servicing rights $ 2,200,000          
Amortization of servicing rights   100,000 $ 100,000 200,000 $ 200,000  
MSR impairment     $ 0 0    
Servicing assets   200,000   200,000   400,000
VIE assets   0   0   0
VIE liabilities   0   0   0
Interest rate cap            
Derivative [Line Items]            
Interest rate derivative instruments not designated as hedging instruments at fair value, net   $ 200,000   $ 200,000    
Interest rate cap | Not designated as hedging instrument            
Derivative [Line Items]            
Number of interest rate derivatives held (in derivatives) | derivative_instrument   1   1    
Other Contract | Not designated as hedging instrument | Short            
Derivative [Line Items]            
Derivative, number of instruments held (in instruments) | contract   2   2    
Notional amount   $ 311,000,000   $ 311,000,000    
Other Contract | Not designated as hedging instrument | Short | TBA contracts            
Derivative [Line Items]            
Margin deposit assets   $ 0   $ 0   $ 0
Lower Range            
Derivative [Line Items]            
Operating lease term       10 years    
Upper Range            
Derivative [Line Items]            
Operating lease term       20 years