XML 52 R35.htm IDEA: XBRL DOCUMENT v3.22.2
Investments (Available-For-Sale Fixed Maturities) (Details) - USD ($)
Jun. 30, 2022
Mar. 31, 2022
Dec. 31, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Reclassifications from AOCI to net income (loss):            
Amortized Cost $ 3,830,737,000   $ 3,814,847,000      
Allowance for Expected Credit Losses 553,000 $ 0 0 $ 0 $ 0 $ 552,000
Gross Unrealized Gains 4,073,000   49,690,000      
Gross Unrealized Losses 302,442,000   30,815,000      
Estimated Fair Value 3,531,815,000   3,833,722,000      
U.S. Treasury obligations            
Reclassifications from AOCI to net income (loss):            
Amortized Cost 238,350,000   239,765,000      
Allowance for Expected Credit Losses 0          
Gross Unrealized Gains 86,000   1,166,000      
Gross Unrealized Losses 16,692,000   2,424,000      
Estimated Fair Value 221,744,000   238,507,000      
U.S. Government-sponsored enterprise obligations            
Reclassifications from AOCI to net income (loss):            
Amortized Cost 18,820,000   20,467,000      
Allowance for Expected Credit Losses 0          
Gross Unrealized Gains 8,000   29,000      
Gross Unrealized Losses 1,195,000   262,000      
Estimated Fair Value 17,633,000   20,234,000      
State and municipal bonds            
Reclassifications from AOCI to net income (loss):            
Amortized Cost 504,920,000   511,750,000      
Allowance for Expected Credit Losses 0          
Gross Unrealized Gains 353,000   9,620,000      
Gross Unrealized Losses 32,105,000   2,174,000      
Estimated Fair Value 473,168,000   519,196,000      
Corporate debt            
Reclassifications from AOCI to net income (loss):            
Amortized Cost 1,961,538,000   1,884,455,000      
Allowance for Expected Credit Losses 553,000 $ 0 0 $ 0   $ 552,000
Gross Unrealized Gains 775,000   29,050,000      
Gross Unrealized Losses 171,752,000   14,949,000      
Estimated Fair Value 1,790,008,000   1,898,556,000      
Residential mortgage-backed securities            
Reclassifications from AOCI to net income (loss):            
Amortized Cost 426,956,000   455,438,000      
Allowance for Expected Credit Losses 0          
Gross Unrealized Gains 1,006,000   4,254,000      
Gross Unrealized Losses 42,737,000   5,751,000      
Estimated Fair Value 385,225,000   453,941,000      
Agency commercial mortgage-backed securities            
Reclassifications from AOCI to net income (loss):            
Amortized Cost 12,542,000   13,909,000      
Allowance for Expected Credit Losses 0          
Gross Unrealized Gains 0   294,000      
Gross Unrealized Losses 602,000   62,000      
Estimated Fair Value 11,940,000   14,141,000      
Other commercial mortgage-backed securities            
Reclassifications from AOCI to net income (loss):            
Amortized Cost 224,848,000   231,226,000      
Allowance for Expected Credit Losses 0          
Gross Unrealized Gains 246,000   2,530,000      
Gross Unrealized Losses 16,607,000   2,273,000      
Estimated Fair Value 208,487,000   231,483,000      
Other asset-backed securities            
Reclassifications from AOCI to net income (loss):            
Amortized Cost 442,763,000   457,837,000      
Allowance for Expected Credit Losses 0          
Gross Unrealized Gains 1,599,000   2,747,000      
Gross Unrealized Losses 20,752,000   2,920,000      
Estimated Fair Value $ 423,610,000   $ 457,664,000