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)

v3.19.3
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, 2019
USD ($)
Sep. 30, 2018
USD ($)
Sep. 30, 2019
USD ($)
position
Sep. 30, 2018
USD ($)
position
Debt Securities, Available-for-sale [Abstract]        
Other-than-temporary impairment losses $ (5,900) $ (100) $ (11,000) $ (400)
Other than Temporary Impairment Losses, Investments, Number, Available-for-sale Securities | position     16 3
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Market Value 310,600   $ 310,600  
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Weighted Average Cumulative Losses     3.30%  
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Weighted Average Three-Month Prepayment Speed     0.074  
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Delinquency Rate     16.50%  
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Weighted Average FICO Score     638  
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]        
Cumulative credit loss at beginning of period (9,376) (6,663) $ (6,865) $ (6,395)
Other-than-temporary impairments not previously recognized (5,950) (72) (10,353) (157)
Increases related to other-than-temporary impairments on securities with previously recognized other-than-temporary impairments 0 (23) (651) (206)
Decreases related to other-than-temporary impairments on securities paid down 0 0 1,703 0
Decreases related to other-than-temporary impairments on securities sold 1,613 0 2,453 0
Cumulative credit loss at end of period $ (13,713) $ (6,758) $ (13,713) $ (6,758)