XML 66 R53.htm IDEA: XBRL DOCUMENT v3.21.1
Notes Payable and Amounts Due Under Repurchase Agreements (Repurchase Agreements Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Debt Disclosure [Abstract]    
Repurchase agreement, average borrowings $ 0 $ 24,600
Repurchase agreement, maximum amount borrowed   $ 186,400
Repurchase agreement, weighted average interest rate   1.51%