Loans and Allowance for Credit Losses on Loans - Amortized Cost Basis of Collateral-dependent Loans (Details) - USD ($) |
Mar. 31, 2022 |
Dec. 31, 2021 |
---|---|---|
Business Assets | ||
Financing Receivable, Recorded Investment, Past Due [Line Items] | ||
Collateral dependent loans | $ 761,000 | $ 1,028,000 |