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

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Recently Adopted Accounting Pronouncements (Details)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Recently Adopted Accounting Pronouncements (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Jan. 01, 2020
Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Operating lease right of use asset $ 124   $ 196
Adjustment | ASU 2016-02      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Operating lease right of use asset   $ 666  
Operating lease liabilities   $ 666