XML 54 R77.htm IDEA: XBRL DOCUMENT v3.20.1
REAL ESTATE - Additional Information (Details)
3 Months Ended
Mar. 31, 2020
USD ($)
property
Mar. 31, 2019
USD ($)
property
Dec. 31, 2019
USD ($)
Real Estate Properties [Line Items]      
Real estate acquired in settlement of residential mortgage loans $ 0   $ 0
Foreclosure agreement, amount $ 35,800,000    
Number of commercial real estate acquisitions | property   0  
Weighted average amortization period 6 years 3 months 18 days    
General and Administrative Expense      
Real Estate Properties [Line Items]      
Depreciation expense $ 5,200,000 $ 5,800,000  
Mountain Merger Sub Corporation      
Real Estate Properties [Line Items]      
Number of real estate properties sold | property 0 1  
Proceeds from sales of real estate   $ 6,700,000  
Recognized gain on sale of real estate   $ 2,700,000