Fair Value of Assets and Liabilities - Carrying Amount and Estimated Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Assets:
Securities available-for-sale, at fair value		$ 483,893
Securities available-for-sale, at fair value, post ASU 2019-04	$ 540,308
Securities held to maturity, fair value	260,504	260,613
Liabilities:
Noninterest-bearing demand deposits	1,003,432	1,072,449
Interest-bearing demand deposits	938,758	965,911
Time deposits	537,192	455,259
Carrying Amount [Member]
Assets:
Cash and cash equivalents	238,898	266,424
Securities available-for-sale, at fair value		483,893
Securities available-for-sale, at fair value, post ASU 2019-04	540,308
Securities held to maturity, fair value	283,564	285,949
Other investments	14,396	15,530
Loans, net and loans held for sale	3,306,029	3,232,045
Derivative financial instruments and interest rate swap agreements, asset	11,111	11,834
Liabilities:
Noninterest-bearing demand deposits	1,003,432	1,072,449
Interest-bearing demand deposits	938,758	965,911
Money market and savings deposits	1,720,202	1,583,481
Time deposits	537,192	455,259
Borrowings	15,496	41,860
Subordinated debt	42,057	42,015
Derivative financial instruments and interest rate swap agreements, liability	12,710	13,110
Estimated Fair Value [Member]
Assets:
Cash and cash equivalents	238,898	266,424
Securities available-for-sale, at fair value		483,893
Securities available-for-sale, at fair value, post ASU 2019-04	540,308
Securities held to maturity, fair value	260,504	260,613
Loans, net and loans held for sale	3,161,489	3,143,921
Derivative financial instruments and interest rate swap agreements, asset	11,111	11,834
Liabilities:
Noninterest-bearing demand deposits	1,003,432	1,072,449
Interest-bearing demand deposits	938,758	965,911
Money market and savings deposits	1,720,202	1,583,481
Time deposits	536,452	451,899
Borrowings	15,496	41,860
Subordinated debt	39,457	40,439
Derivative financial instruments and interest rate swap agreements, liability	12,710	13,110
Fair Value, Inputs, Level 1 [Member]
Assets:
Cash and cash equivalents	238,898	266,424
Fair Value, Inputs, Level 2 [Member]
Assets:
Securities available-for-sale, at fair value		483,893
Securities available-for-sale, at fair value, post ASU 2019-04	540,308
Securities held to maturity, fair value	260,504	260,613
Derivative financial instruments and interest rate swap agreements, asset	11,111	11,834
Liabilities:
Noninterest-bearing demand deposits	1,003,432	1,072,449
Interest-bearing demand deposits	938,758	965,911
Money market and savings deposits	1,720,202	1,583,481
Time deposits	536,452	451,899
Borrowings	15,496	41,860
Derivative financial instruments and interest rate swap agreements, liability	12,710	13,110
Fair Value, Inputs, Level 3 [Member]
Assets:
Loans, net and loans held for sale	3,161,489	3,143,921
Liabilities:
Subordinated debt	$ 39,457	$ 40,439