Quarterly report pursuant to Section 13 or 15(d)

Available-for-Sale Securities, at Fair Value Other than Temporary Impairment, Credit Losses Recognized in Earnings (Details)

v3.20.2
Available-for-Sale Securities, at Fair Value Other than Temporary Impairment, Credit Losses Recognized in Earnings (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
USD ($)
Sep. 30, 2019
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2019
USD ($)
numberOfPositions
Debt Securities, Available-for-sale [Abstract]        
Other-than-temporary impairment losses   $ (6,000)   $ (11,000)
Other than Temporary Impairment Losses, Investments, Number, Available-for-sale Securities | numberOfPositions       16
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]        
Cumulative other-than-temporary credit losses at beginning of period $ 0 (9,376) $ (17,021) $ (6,865)
Other-than-temporary impairments not previously recognized 0 (5,950) 0 (10,353)
Increases related to other-than-temporary impairments on securities with previously recognized other-than-temporary impairments 0 0 0 (651)
Decreases related to other-than-temporary impairments on securities paid down 0 0 0 1,703
Decreases related to other-than-temporary impairments on securities sold 0 1,613 17,021 2,453
Cumulative other-than-temporary credit losses at end of period $ 0 $ (13,713) $ 0 $ (13,713)