General form of registration statement for all companies including face-amount certificate companies

GEOGRAPHICAL INFORMATION (Details)

v3.21.2
GEOGRAPHICAL INFORMATION (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
Total revenue $ 172,955 $ 166,031 $ 210,751
UNITED STATES      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
Total revenue 41,338 105,316 182,550
Other North America And Canada [Member]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
Total revenue 1,361 222 1,321
Total United States And Canada [Member]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
Total revenue 42,699 105,538 183,871
INDIA      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
Total revenue 41,467 16,588 6,978
JAPAN      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
Total revenue 64,228 16,695 3,246
Other Asia [Member]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
Total revenue 1,961 5,057 16,137
Total Asia [Member]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
Total revenue 107,656 38,340 16,137
Europe [Member]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
Total revenue 8,054 9,676 8,510
Africa And The Middle East [Member]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
Total revenue 7,105 7,295 1,646
Latin America And The Caribbean [Member]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
Total revenue $ 7,441 $ 5,182 $ 587