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Derivatives - Summary of Interest Rate Swap Transactions (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021
Derivatives Fair Value [Line Items] |  |
Swap assets | $ 6,852 | $ 11,072
Accrued Liabilities and Other Liabilities | 6,852 | 11,072
Long [Member] | Interest Rate Swap [Member] |  |
Derivatives Fair Value [Line Items] |  |
Interest Rate Swaps With Loan Customers In An Asset Position Notional Amount | 102,211 | 173,491
Fair Value Of Interest Rate Swaps With Loan Customers In An Asset Position | 3,439 | 11,072
Long [Member] | Financial Institutions [Member] |  |
Derivatives Fair Value [Line Items] |  |
Counterparty Positions With Financial Institutions In A Liability Position Notional Amount | 6,692 | 244,818
Fair Value Of Counterparty Positions With Financial Institutions In A Liability Position | 90 | 9,444
Short [Member] | Interest Rate Swap [Member] |  |
Derivatives Fair Value [Line Items] |  |
Interest Rate Swaps With Loan Customers In A Liability Position Notional Amount | 140,571 | 71,327
Fair Value Of Interest Rate Swaps With Loan Customers In A Liability Position | 6,762 | $ 1,628
Short [Member] | Financial Institutions [Member] |  |
Derivatives Fair Value [Line Items] |  |
Counterparty Positions With Financial Institutions In An Asset Position Notional Amount | 236,090 |
Fair Value Of Counterparty Positions With Financial Institutions In An Asset Position | $ 3,413 |

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