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SCHEDULE V - VALUATION AND QUALIFYING ACCOUNTS (Details) - Allowance for losses on commercial mortgage loans - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Changes in valuation and qualifying accounts    
Balance at beginning of period $ 4,884 $ 1,296
Additions, Charged to costs and expenses 140,050 3,938
Additions, Charges to other accounts 80,239 0
Deductions (3,009) (350)
Balance at end of period $ 222,164 $ 4,884