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)

v3.7.0.1
Available-for-Sale Securities, at Fair Value Other than Temporary Impairment, Credit Losses Recognized in Earnings (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2017
USD ($)
Mar. 31, 2016
USD ($)
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]    
Other-than-temporary impairment losses $ 0 $ (717)
Other than Temporary Impairment Losses, Investments, Number, Available-for-sale Securities 0 3
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Market Value $ 113,724  
Available-for-sale Securities, Weighted Average Cumulative Losses 5.20%  
Available-for-sale Securities, Weighted Average Three-Month Prepayment Speed 0.021  
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Delinquency Rate 22.50%  
Available-for-sale Securities, Weighted Average FICO Score 659  
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held, Beginning Balance $ (5,606) $ (6,499)
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, No Previous Impairment 0 (292)
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, Additional Credit Losses 0 (425)
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Cash Flows 0 0
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Securities Sold 0 596
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held, Ending Balance $ (5,606) $ (6,620)