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Revenue from Contract with Customer (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disaggregation of Revenue [Line Items] |  |  |
Personal trust and agency accounts income | $ 10,297 | $ 10,091 | $ 10,264
Employee benefit and retirement-related accounts income | 9,894 | 9,698 | 9,705
Investment management and investment advisory agency accounts income | 13,242 | 12,442 | 12,620
Other income from fiduciary activities | 2,041 | 1,860 | 1,860
Non-sufficient funds (NSF) fees | 3,744 | 6,095 | 5,244
Demand deposit account (DDA) charges | 4,229 | 3,439 | 3,074
Other service charges on deposit accounts | 472 | 557 | 514
Credit card other service income | 2,799 | 2,808 | 2,563
HELOC other service income | 369 | 397 | 389
Installment other service income | 177 | 163 | 148
Real estate other service income | 5,795 | 9,952 | 24,907
Commercial other service income | 1,160 | 1,975 | 1,805
Debit card fee income | 26,522 | 26,046 | 25,865
Bank Owned Life Insurance Income | 5,338 | 6,100 | 4,897
ATM Fees | 2,178 | 2,273 | 2,379
Gains (Losses) on Sales of Other Real Estate | (3) | 5,611 | (4)
Real Estate Owned, Valuation Allowance, Valuation Increase | 60 | 12,039 | 64
Debt Securities, Available-for-sale, Realized Loss | (7,875) | 0 | 0
Gain on equity securities, net | 971 | 2,955 | 5,011
Other components of net periodic benefit income | 7,572 | 12,108 | 8,152
Noninterest Income, Other | 3,652 | 9,326 | 10,487
Noninterest Income | 92,634 | 135,935 | 129,944
Bank Servicing [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Noninterest Income, Other | 10,300 | 15,300 | 29,800
Within Scope [Domain] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Noninterest Income, Other | 5,200 | 5,600 | 5,300
Out of Scope [Domain] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Noninterest Income, Other | $ 5,100 | $ 9,700 | $ 24,500

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