Quarterly report pursuant to Section 13 or 15(d)

Available-for-Sale Securities, at Fair Value Schedule of Realized Gain (Loss) (Details)

v3.20.2
Available-for-Sale Securities, at Fair Value Schedule of Realized Gain (Loss) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Debt Securities, Available-for-sale [Abstract]        
Proceeds from sales of available-for-sale securities $ 1,383,118 $ 3,100,487 $ 16,969,870 $ 7,953,676
Amortized cost of available-for-sale securities sold (1,326,218) (3,076,898) (17,947,686) (7,947,544)
Gross realized gains 57,414 24,855 280,885 126,153
Gross realized losses (514) (1,266) (1,258,701) (120,021)
Total realized gains (losses) on sales, net $ 56,900 $ 23,589 $ (977,816) $ 6,132