XML 81 R64.htm IDEA: XBRL DOCUMENT v3.20.4
Held to Maturity Debt Securities - Securities Held to Maturity by Contractual Maturity (Detail)
$ in Thousands
Dec. 31, 2020
USD ($)
Investments, Debt and Equity Securities [Abstract]  
Due in one year or less, amortized cost $ 21,623
Due after one year through five years, amortized cost 133,869
Due after five years through ten years, amortized cost 216,671
Due after ten years, amortized cost 78,818
Total Amortized cost 450,981
Due in one year or less, fair value 21,736
Due after one year through five years, fair value 137,978
Due after five years through ten years, fair value 229,902
Due after ten years, fair value 82,849
Total Fair value $ 472,465