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v3.23.1

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 | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
AFS securities [Abstract] |  |
AFS securities | $ 1,512,008 | $ 1,527,225
Equity securities | $ 32,807 | 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 | $ 123,579 | 121,658
Federal Agency [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 210,220 | 206,419
State & Municipal [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 85,033 | 82,851
Corporate [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 47,237 | 54,240
Recurring Basis [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 1,512,008 | 1,527,225
Equity securities | 32,807 | 30,784
Derivatives | $ 94,228 | $ 93,185
Derivative Asset, Statement of Financial Position [Extensible Enumeration] | Other Assets | Other Assets
Total | $ 1,639,043 | $ 1,651,194
Liabilities [Abstract] |  |
Derivatives | $ 94,184 | $ 117,257
Derivative Liability, Statement of Financial Position [Extensible Enumeration] | Other liabilities | Other liabilities
Total | $ 94,184 | $ 117,257
Recurring Basis [Member] | Level 1 [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 123,579 | 121,658
Equity securities | 31,807 | 29,784
Derivatives | 0 | 0
Total | 155,386 | 151,442
Liabilities [Abstract] |  |
Derivatives | 0 | 0
Total | 0 | 0
Recurring Basis [Member] | Level 2 [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 1,388,429 | 1,405,567
Equity securities | 1,000 | 1,000
Derivatives | 94,228 | 93,185
Total | 1,483,657 | 1,499,752
Liabilities [Abstract] |  |
Derivatives | 94,184 | 117,257
Total | 94,184 | 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 | 123,579 | 121,658
Recurring Basis [Member] | U.S. Treasury [Member] | Level 1 [Member] |  |
AFS securities [Abstract] |  |
AFS securities | 123,579 | 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 | 210,220 | 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 | 210,220 | 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 | 85,033 | 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 | 85,033 | 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 | 463,578 | 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 | 463,578 | 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 | 582,361 | 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 | 582,361 | 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 | 47,237 | 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 | 47,237 | 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 | $ 1,000 | $ 1,100

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