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Fair Value Measurements - Fair Value Measurement on Recurring Basis (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | $ 1,318,072 | $ 1,331,443
Fair Value |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Equity security | 215 | 185
Interest rate swap |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Derivative liabilities - interest rate swaps |  | 30,107
Interest rate swap | Fair Value |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Derivative assets - interest rate swaps | 24,498 | 30,107
Derivative liabilities - interest rate swaps | 24,498 | 30,107
Level 1 | Fair Value |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Equity security | 215 | 185
Level 1 | Interest rate swap | Fair Value |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Derivative assets - interest rate swaps | 0 | 0
Derivative liabilities - interest rate swaps | 0 | 0
Level 2 | Fair Value |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Equity security | 0 | 0
Derivative assets - interest rate swaps | 24,498 |
Level 2 | Interest rate swap | Fair Value |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Derivative assets - interest rate swaps | 24,498 | 30,107
Derivative liabilities - interest rate swaps | 24,498 |
Level 3 | Fair Value |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Equity security | 0 | 0
Level 3 | Interest rate swap | Fair Value |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Derivative assets - interest rate swaps | 0 | 0
Derivative liabilities - interest rate swaps | 0 | 0
Recurring |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 1,318,072 | 1,331,443
Equity security | 215 | 185
Recurring | U.S. government and agency securities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 64,550 | 63,859
Recurring | Municipal securities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 132,497 | 153,026
Recurring | Residential CMO and MBS |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 433,712 | 424,386
Recurring | Commercial CMO and MBS |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 663,497 | 664,421
Recurring | Corporate obligations |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 3,817 | 3,834
Recurring | Other asset-backed securities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 19,999 | 21,917
Recurring | Interest rate swap |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Derivative assets - interest rate swaps | 24,498 | 30,107
Derivative liabilities - interest rate swaps | 24,498 | 30,107
Recurring | Level 1 |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 19,865 | 25,178
Equity security | 215 | 185
Recurring | Level 1 | U.S. government and agency securities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 19,865 | 19,779
Recurring | Level 1 | Municipal securities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 0 | 5,399
Recurring | Level 1 | Residential CMO and MBS |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 0 | 0
Recurring | Level 1 | Commercial CMO and MBS |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 0 | 0
Recurring | Level 1 | Corporate obligations |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 0 | 0
Recurring | Level 1 | Other asset-backed securities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 0 | 0
Recurring | Level 1 | Interest rate swap |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Derivative assets - interest rate swaps | 0 | 0
Derivative liabilities - interest rate swaps | 0 | 0
Recurring | Level 2 |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 1,298,207 | 1,306,265
Equity security | 0 | 0
Recurring | Level 2 | Fair Value |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Derivative assets - interest rate swaps |  | 30,107
Derivative liabilities - interest rate swaps |  | 30,107
Recurring | Level 2 | U.S. government and agency securities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 44,685 | 44,080
Recurring | Level 2 | Municipal securities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 132,497 | 147,627
Recurring | Level 2 | Residential CMO and MBS |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 433,712 | 424,386
Recurring | Level 2 | Commercial CMO and MBS |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 663,497 | 664,421
Recurring | Level 2 | Corporate obligations |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 3,817 | 3,834
Recurring | Level 2 | Other asset-backed securities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 19,999 | 21,917
Recurring | Level 2 | Interest rate swap |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Derivative assets - interest rate swaps | 24,498 |
Derivative liabilities - interest rate swaps | 24,498 |
Recurring | Level 3 |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale |  | 0
Equity security | 0 | 0
Recurring | Level 3 | U.S. government and agency securities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 0 | 0
Recurring | Level 3 | Municipal securities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 0 | 0
Recurring | Level 3 | Residential CMO and MBS |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 0 | 0
Recurring | Level 3 | Commercial CMO and MBS |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 0 | 0
Recurring | Level 3 | Corporate obligations |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 0 | 0
Recurring | Level 3 | Other asset-backed securities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Total investment securities available for sale | 0 | 0
Recurring | Level 3 | Interest rate swap |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Derivative assets - interest rate swaps | 0 | 0
Derivative liabilities - interest rate swaps | $ 0 | $ 0

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