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v3.23.3

Fair Value Measurements and Fair Value of Financial Instruments, Fair Value of Financial Assets and Liabilities Measured on a Recurring Basis (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2023 | Dec. 31, 2022
AFS securities [Abstract] |  |
AFS securities | $ 1,399,032 | $ 1,527,225
Equity securities | $ 35,600 | 30,784
Minimum [Member] |  |
Fair Value Measurements [Abstract] |  |
Liquidation expense ratio on impaired collateral | 10.00% |
Maximum [Member] |  |
Fair Value Measurements [Abstract] |  |
Liquidation expense ratio on impaired collateral | 50.00% |
U.S. Treasury [Member] |  |
AFS securities [Abstract] |  |
AFS securities | $ 121,595 | 121,658
Federal Agency [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 203,756 | 206,419
State & Municipal [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 83,285 | 82,851
Corporate [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 41,217 | 54,240
Recurring Basis [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 1,399,032 | 1,527,225
Equity securities | 35,600 | 30,784
Derivatives | $ 113,140 | $ 93,185
Derivative Asset, Statement of Financial Position [Extensible Enumeration] | Other Assets | Other Assets
Total | $ 1,547,772 | $ 1,651,194
Liabilities [Abstract] |  |
Derivatives | $ 143,599 | $ 117,257
Derivative Liability, Statement of Financial Position [Extensible Enumeration] | Other liabilities | Other liabilities
Total | $ 143,599 | $ 117,257
Recurring Basis [Member] | Level 1 [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 121,595 | 121,658
Equity securities | 34,600 | 29,784
Derivatives | 0 | 0
Total | 156,195 | 151,442
Liabilities [Abstract] |  |
Derivatives | 0 | 0
Total | 0 | 0
Recurring Basis [Member] | Level 2 [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 1,277,437 | 1,405,567
Equity securities | 1,000 | 1,000
Derivatives | 113,140 | 93,185
Total | 1,391,577 | 1,499,752
Liabilities [Abstract] |  |
Derivatives | 143,599 | 117,257
Total | 143,599 | 117,257
Recurring Basis [Member] | Level 3 [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 0 | 0
Equity securities | 0 | 0
Derivatives | 0 | 0
Total | 0 | 0
Liabilities [Abstract] |  |
Derivatives | 0 | 0
Total | 0 | 0
Recurring Basis [Member] | U.S. Treasury [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 121,595 | 121,658
Recurring Basis [Member] | U.S. Treasury [Member] | Level 1 [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 121,595 | 121,658
Recurring Basis [Member] | U.S. Treasury [Member] | Level 2 [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 0 | 0
Recurring Basis [Member] | U.S. Treasury [Member] | Level 3 [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 0 | 0
Recurring Basis [Member] | Federal Agency [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 203,756 | 206,419
Recurring Basis [Member] | Federal Agency [Member] | Level 1 [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 0 | 0
Recurring Basis [Member] | Federal Agency [Member] | Level 2 [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 203,756 | 206,419
Recurring Basis [Member] | Federal Agency [Member] | Level 3 [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 0 | 0
Recurring Basis [Member] | State & Municipal [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 83,285 | 82,851
Recurring Basis [Member] | State & Municipal [Member] | Level 1 [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 0 | 0
Recurring Basis [Member] | State & Municipal [Member] | Level 2 [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 83,285 | 82,851
Recurring Basis [Member] | State & Municipal [Member] | Level 3 [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 0 | 0
Recurring Basis [Member] | Mortgage-Backed [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 415,768 | 473,694
Recurring Basis [Member] | Mortgage-Backed [Member] | Level 1 [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 0 | 0
Recurring Basis [Member] | Mortgage-Backed [Member] | Level 2 [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 415,768 | 473,694
Recurring Basis [Member] | Mortgage-Backed [Member] | Level 3 [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 0 | 0
Recurring Basis [Member] | Collateralized Mortgage Obligations [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 533,411 | 588,363
Recurring Basis [Member] | Collateralized Mortgage Obligations [Member] | Level 1 [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 0 | 0
Recurring Basis [Member] | Collateralized Mortgage Obligations [Member] | Level 2 [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 533,411 | 588,363
Recurring Basis [Member] | Collateralized Mortgage Obligations [Member] | Level 3 [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 0 | 0
Recurring Basis [Member] | Corporate [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 41,217 | 54,240
Recurring Basis [Member] | Corporate [Member] | Level 1 [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 0 | 0
Recurring Basis [Member] | Corporate [Member] | Level 2 [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 41,217 | 54,240
Recurring Basis [Member] | Corporate [Member] | Level 3 [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 0 | 0
Non-Recurring Basis [Member] |  |
Fair Value Measurements [Abstract] |  |
Loans individually evaluated for expected credit losses, fair value | $ 1,900 | $ 1,100

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