XML 57 R47.htm IDEA: XBRL DOCUMENT v3.22.2.2
Securities - Additional Information (Detail)
$ in Thousands
Sep. 30, 2022
USD ($)
Security
Dec. 31, 2021
USD ($)
Investments Debt And Equity Securities [Abstract]    
Carrying value of pledged securities | $ $ 176,667 $ 168,345
Number of securities in portfolio with unrealized losses | Security 532