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Fair Values of Financial Instruments- Schedule of Estimated Recorded Book Balances and Fair Values (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Assets
Securities available for sale	$ 482,295	$ 495,909
Securities held to maturity	301,007	309,523
Federal Home Loan Bank and Federal	18,102	18,102
Liabilities
Reciprocal deposits included in deposits with no stated maturity	915,326	862,697
Reciprocal deposits included in deposits with stated maturity	113,548	112,224
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Cash and due from banks	48,475	52,235
Interest bearing deposits	126,440	86,152
Securities available for sale	0	0
Securities held to maturity	0	0
Net loans and loans held for sale	0	0
Accrued interest receivable	117	35
Derivative financial instruments	0	0
Liabilities
Deposits with no stated maturity	4,052,869	3,967,941
Deposits with stated maturity	0	0
Accrued interest payable	319	316
Derivative financial instruments	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Other borrowings
Liabilities
Borrowings	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Subordinated debentures
Liabilities
Borrowings	0	0
Significant Other Observable Inputs (Level 2)
Assets
Cash and due from banks	0	0
Interest bearing deposits	0	0
Securities available for sale	482,295	495,909
Securities held to maturity	271,452	282,830
Net loans and loans held for sale	19,714	9,031
Accrued interest receivable	4,669	5,043
Derivative financial instruments	26,970	29,584
Liabilities
Deposits with no stated maturity	0	0
Deposits with stated maturity	825,762	791,598
Accrued interest payable	1,955	1,576
Derivative financial instruments	15,575	19,551
Significant Other Observable Inputs (Level 2) | Other borrowings
Liabilities
Borrowings	26,689	76,680
Significant Other Observable Inputs (Level 2) | Subordinated debentures
Liabilities
Borrowings	40,093	39,761
Significant Un- observable Inputs (Level 3)
Assets
Cash and due from banks	0	0
Interest bearing deposits	0	0
Securities available for sale	0	0
Securities held to maturity	0	0
Net loans and loans held for sale	4,059,426	4,053,169
Accrued interest receivable	14,078	13,952
Derivative financial instruments	0	0
Liabilities
Deposits with no stated maturity	0	0
Deposits with stated maturity	0	0
Accrued interest payable	0	0
Derivative financial instruments	0	0
Significant Un- observable Inputs (Level 3) | Other borrowings
Liabilities
Borrowings	0	0
Significant Un- observable Inputs (Level 3) | Subordinated debentures
Liabilities
Borrowings	0	0
Recorded Book Balance
Assets
Cash and due from banks	48,475	52,235
Interest bearing deposits	126,440	86,152
Securities available for sale	482,295	495,909
Securities held to maturity	301,007	309,523
Federal Home Loan Bank and Federal	18,102	18,102
Net loans and loans held for sale	4,264,094	4,221,871
Accrued interest receivable	18,864	19,030
Derivative financial instruments	26,970	29,584
Liabilities
Deposits with no stated maturity	4,052,869	3,967,941
Deposits with stated maturity	827,811	793,741
Accrued interest payable	2,274	1,892
Derivative financial instruments	15,575	19,551
Recorded Book Balance | Other borrowings
Liabilities
Borrowings	27,010	77,003
Recorded Book Balance | Subordinated debentures
Liabilities
Borrowings	39,881	39,864
Fair Value
Assets
Cash and due from banks	48,475	52,235
Interest bearing deposits	126,440	86,152
Securities available for sale	482,295	495,909
Securities held to maturity	271,452	282,830
Net loans and loans held for sale	4,079,140	4,062,200
Accrued interest receivable	18,864	19,030
Derivative financial instruments	26,970	29,584
Liabilities
Deposits with no stated maturity	4,052,869	3,967,941
Deposits with stated maturity	825,762	791,598
Accrued interest payable	2,274	1,892
Derivative financial instruments	15,575	19,551
Fair Value | Other borrowings
Liabilities
Borrowings	26,689	76,680
Fair Value | Subordinated debentures
Liabilities
Borrowings	$ 40,093	$ 39,761

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Fair value portion of banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks.

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