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LOANS - Summary of Loans and Credit Losses (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Summary of loans
Loans	$ 4,867,587	$ 5,167,574
Net deferred loan fees	800	1,400
Unearned income	43,600	56,700
Commercial Loan Portfolio
Summary of loans
Loans	4,073,267	4,251,326
Lease financing
Summary of loans
Loans	310,983	391,390
Commercial | Commercial Loan Portfolio
Summary of loans
Loans	1,038,821	818,496
Commercial other | Commercial Loan Portfolio
Summary of loans
Loans	437,712	541,324
Commercial real estate non-owner occupied | Commercial Loan Portfolio
Summary of loans
Loans	1,457,627	1,628,961
Commercial real estate owner occupied | Commercial Loan Portfolio
Summary of loans
Loans	425,712	440,806
Multi-family | Commercial Loan Portfolio
Summary of loans
Loans	386,585	454,249
Farmland | Commercial Loan Portfolio
Summary of loans
Loans	66,737	67,648
Construction and land development | Commercial Loan Portfolio
Summary of loans
Loans	260,073	299,842
Residential first lien | Residential real estate:
Summary of loans
Loans	292,830	315,775
Other residential | Residential real estate:
Summary of loans
Loans	60,645	64,782
Consumer | Consumer:
Summary of loans
Loans	82,710	96,202
Consumer other | Consumer:
Summary of loans
Loans	$ 47,152	$ 48,099

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-Topic 310
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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