Annual report pursuant to Section 13 and 15(d)

LOANS - Schedule of Loans (Details)

v3.8.0.1
LOANS - Schedule of Loans (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2017
USD ($)
loan
Dec. 31, 2016
USD ($)
loan
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Federal income tax basis $ 12,900      
Loans, Held for Sale        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Face amount of real estate related loans on non-accrual status 13,700 $ 77,200    
Loans, Held for Sale | Held-for-sale        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Outstanding Face Amount 13,697      
Carrying Value $ 147 $ 55,612 $ 149,198 $ 230,200
Loan Count | loan 1 4    
Wtd. Avg Yield 20.00% 22.49%    
Wtd Avg Coupon 10.00%      
Weighted Average Life (Years) 1 year 6 months 1 day      
Floating Rate Loans as a % of Face Amount 0.00%      
Delinquent Face Amount $ 13,697      
Loans, Held for Sale | Corporate Loans | Held-for-sale        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Outstanding Face Amount 13,697      
Carrying Value $ 147 $ 55,612    
Loan Count | loan 1 4    
Wtd. Avg Yield 20.00% 22.49%    
Wtd Avg Coupon 10.00%      
Weighted Average Life (Years) 1 year 6 months 1 day      
Floating Rate Loans as a % of Face Amount 0.00%      
Delinquent Face Amount $ 13,697      
Residential Loans | Held-for-sale        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Outstanding Face Amount 0      
Carrying Value $ 0 $ 231    
Loan Count | loan 0 3    
Wtd. Avg Yield 0.00% 3.40%    
Wtd Avg Coupon 0.00%      
Weighted Average Life (Years) 0 days      
Floating Rate Loans as a % of Face Amount 0.00%      
Delinquent Face Amount $ 0