Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Assets
Securities available for sale	$ 767,526	$ 779,347
Securities held to maturity	369,577	374,818
Reserve Bank Stock	17,653	17,653
Liabilities
Other borrowings	50,029	86,006
Subordinated debt	39,452	39,433
Subordinated debentures	39,677	39,660
Reciprocal deposits included in deposits with no stated maturity	615,860	555,781
Reciprocal deposits included in deposits with stated maturity	69,598	46,794
Recorded Book Balance
Assets
Cash and due from banks	47,823	70,180
Interest bearing deposits	179,196	4,191
Securities available for sale	767,526	779,347
Securities held to maturity	369,577
Reserve Bank Stock	17,653	17,653
Net loans and loans held for sale	3,476,194	3,459,802
Accrued interest receivable	16,615	16,513
Derivative financial instruments	34,184	39,747
Liabilities
Deposits with no stated maturity	3,783,354	3,798,848
Deposits with stated maturity	761,395	580,221
Other borrowings	50,029	86,006
Subordinated debt	39,452	39,433
Subordinated debentures	39,677	39,660
Accrued interest payable	4,085	2,287
Derivative financial instruments	16,523	19,127
Fair Value
Assets
Cash and due from banks	47,823	70,180
Interest bearing deposits	179,196	4,191
Securities available for sale	767,526	779,347
Securities held to maturity	339,337
Net loans and loans held for sale	3,155,940	3,185,518
Accrued interest receivable	16,615	16,513
Derivative financial instruments	34,184	39,747
Liabilities
Deposits with no stated maturity	3,783,354	3,798,848
Deposits with stated maturity	754,881	573,739
Other borrowings	50,019	86,006
Subordinated debt	39,705	41,058
Subordinated debentures	32,695	38,982
Accrued interest payable	4,085	2,287
Derivative financial instruments	16,523	19,127
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Cash and due from banks	47,823	70,180
Interest bearing deposits	179,196	4,191
Securities available for sale	0	0
Securities held to maturity	0
Net loans and loans held for sale	0	20,367
Accrued interest receivable	212	1
Derivative financial instruments	0	0
Liabilities
Deposits with no stated maturity	3,783,354	3,798,848
Deposits with stated maturity	0	0
Other borrowings	0	0
Subordinated debt	0	0
Subordinated debentures	0	0
Accrued interest payable	486	415
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	767,526	779,347
Securities held to maturity	339,337
Net loans and loans held for sale	16,935	26,518
Accrued interest receivable	6,257	6,503
Derivative financial instruments	34,184	39,747
Liabilities
Deposits with no stated maturity	0	0
Deposits with stated maturity	754,881	573,739
Other borrowings	50,019	86,006
Subordinated debt	39,705	41,058
Subordinated debentures	32,695	38,982
Accrued interest payable	3,599	1,872
Derivative financial instruments	16,523	19,127
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
Net loans and loans held for sale	3,139,005	3,138,633
Accrued interest receivable	10,146	10,009
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