XML 49 R39.htm IDEA: XBRL DOCUMENT v3.22.1
Investment Securities Summary of Gains and Losses from Equity and Debt Securities, and Losses from Other-than-Temporary Impairment (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Investments, Debt and Equity Securities [Abstract]    
Debt securities, Gross Realized Gains $ 1,546 $ 34,016
Debt securities, Gross Realized Losses (1,527) (541)
Debt securities, Net Gains (Losses) $ 19 $ 33,475