Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Assets
Securities available for sale	$ 588,950	$ 679,350
Securities held to maturity	343,362	353,988
Reserve Bank Stock	16,099	16,821
Liabilities
Other borrowings	0	50,026
Subordinated debt	39,567	39,510
Subordinated debentures	39,779	39,728
Reciprocal deposits included in deposits with no stated maturity	878,832	723,014
Reciprocal deposits included in deposits with stated maturity	116,637	109,006
Recorded Book Balance
Assets
Cash and due from banks	61,503	68,208
Interest bearing deposits	60,057	101,573
Securities available for sale	588,950	679,350
Securities held to maturity	343,362	353,988
Reserve Bank Stock	16,099	16,821
Net loans and loans held for sale	3,898,872	3,748,306
Accrued interest receivable	18,809	19,044
Derivative financial instruments	38,774	38,683
Liabilities
Deposits with no stated maturity	3,850,142	3,704,808
Deposits with stated maturity	776,733	918,071
Other borrowings	0	50,026
Subordinated debt	39,567	39,510
Subordinated debentures	39,779	39,728
Accrued interest payable	4,215	6,534
Derivative financial instruments	24,056	21,835
Fair Value
Assets
Cash and due from banks	61,503	68,208
Interest bearing deposits	60,057	101,573
Securities available for sale	588,950	679,350
Securities held to maturity	314,638	318,606
Net loans and loans held for sale	3,732,864	3,453,790
Accrued interest receivable	18,809	19,044
Derivative financial instruments	38,774	38,683
Liabilities
Deposits with no stated maturity	3,850,142	3,704,808
Deposits with stated maturity	775,042	914,404
Other borrowings	0	49,831
Subordinated debt	39,687	40,352
Subordinated debentures	39,733	38,103
Accrued interest payable	4,215	6,534
Derivative financial instruments	24,056	21,835
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Cash and due from banks	61,503	68,208
Interest bearing deposits	60,057	101,573
Securities available for sale	0	0
Securities held to maturity	0	0
Net loans and loans held for sale	0	0
Accrued interest receivable	134	58
Derivative financial instruments	0	0
Liabilities
Deposits with no stated maturity	3,850,142	3,704,808
Deposits with stated maturity	0	0
Other borrowings	0	0
Subordinated debt	0	0
Subordinated debentures	0	0
Accrued interest payable	427	482
Derivative financial instruments	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	588,950	679,350
Securities held to maturity	314,638	318,606
Net loans and loans held for sale	14,029	12,063
Accrued interest receivable	5,339	6,486
Derivative financial instruments	38,774	38,683
Liabilities
Deposits with no stated maturity	0	0
Deposits with stated maturity	775,042	914,404
Other borrowings	0	49,831
Subordinated debt	39,687	40,352
Subordinated debentures	39,733	38,103
Accrued interest payable	3,788	6,052
Derivative financial instruments	24,056	21,835
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	3,718,835	3,441,727
Accrued interest receivable	13,336	12,500
Derivative financial instruments	0	0
Liabilities
Deposits with no stated maturity	0	0
Deposits with stated maturity	0	0
Other borrowings	0	0
Subordinated debt	0	0
Subordinated debentures	0	0
Accrued interest payable	0	0
Derivative financial instruments	$ 0	$ 0