XML 89 R77.htm IDEA: XBRL DOCUMENT v3.21.2
Securities Sold Under Repurchase Agreement - Additional Information (Details) - USD ($)
$ in Millions
Jun. 30, 2021
Dec. 31, 2020
Debt Disclosure [Abstract]    
Securities sold under repurchase agreements, secured by securities carrying amount $ 179.6 $ 156.1