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Fair Value - Summary of Financial Assets Measured at Fair Value on a Recurring Basis (Detail) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Securities available for sale | $ 373,532 | $ 109,475
Mortgage derivative asset | 1,876 | 5,293
Mortgage derivative liability | 75 | 1,600
State and Municipal [Member] |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Securities available for sale | 51,113 | 14,259
U.S. Treasury and Agencies [Member] |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Securities available for sale | 64,066 | 2,409
Corporate Bonds [Member] |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Securities available for sale | 39,243 | 20,172
Level 2 [Member] |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Securities available for sale |  | 109,475
Fair Value, Recurring [Member] |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Securities available for sale | 373,532 | 109,475
Rabbi trust assets | 994 |
Mortgage derivative asset | 1,876 | 5,293
Mortgage derivative liability | 75 | 1,569
Fair Value, Recurring [Member] | State and Municipal [Member] |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Securities available for sale | 51,113 | 14,259
Fair Value, Recurring [Member] | Interest Rate Swap Agreement [Member] |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Interest rate swap asset | 199 | 1,716
Interest rate swap liability | 199 | 2,735
Fair Value, Recurring [Member] | U.S. Treasury and Agencies [Member] |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Securities available for sale | 64,066 | 2,409
Fair Value, Recurring [Member] | Mortgage Backed Securities [Member] |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Securities available for sale | 219,110 | 72,635
Fair Value, Recurring [Member] | Corporate Bonds [Member] |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Securities available for sale | 39,243 | 20,172
Fair Value, Recurring [Member] | Level 1 [Member] |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Rabbi trust assets | 994 |
Fair Value, Recurring [Member] | Level 2 [Member] |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Securities available for sale | 373,532 | 109,475
Mortgage derivative asset | 1,876 | 5,293
Mortgage derivative liability | 75 | 1,569
Fair Value, Recurring [Member] | Level 2 [Member] | State and Municipal [Member] |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Securities available for sale | 51,113 | 14,259
Fair Value, Recurring [Member] | Level 2 [Member] | Interest Rate Swap Agreement [Member] |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Interest rate swap asset | 199 | 1,716
Interest rate swap liability | 199 | 2,735
Fair Value, Recurring [Member] | Level 2 [Member] | U.S. Treasury and Agencies [Member] |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Securities available for sale | 64,066 | 2,409
Fair Value, Recurring [Member] | Level 2 [Member] | Mortgage Backed Securities [Member] |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Securities available for sale | 219,110 | 72,635
Fair Value, Recurring [Member] | Level 2 [Member] | Corporate Bonds [Member] |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Securities available for sale | $ 39,243 | $ 20,172

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- Definition Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities. + References No definition available. + Details
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