Fair Value of Financial Instruments - Carrying Values and Estimated Fair Values (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Financial Assets:
Cash and cash equivalents	$ 353,972	$ 307,437
Certificates of deposit with banks	2,229	2,719
Investment securities available-for-sale	395,301	421,466
Equity securities	34,447	32,402
Bank-owned life insurance	42,500	42,257
Carrying Value
Financial Assets:
Cash and cash equivalents	353,972	307,437
Certificates of deposit with banks	2,229	2,719
Investment securities available-for-sale	395,301	421,466
Equity securities	34,447	32,402
Loans held-for-sale	9,161
Loans receivable, net	1,879,045	1,851,572
Servicing rights	2,711	2,812
Accrued interest receivable	8,234	7,860
Bank-owned life insurance	42,500	42,257
Financial Liabilities:
Deposits	2,509,079	2,377,605
Repurchase agreements	12,101	11,385
Accrued interest payable	1,238	690
Subordinated debt	73,094	73,030
Estimated Fair Value
Financial Assets:
Cash and cash equivalents	353,972	307,437
Certificates of deposit with banks	2,244	2,738
Investment securities available-for-sale	395,301	421,466
Equity securities	34,447	32,402
Loans held-for-sale	9,161
Loans receivable, net	1,892,687	1,865,013
Servicing rights	2,729	2,831
Accrued interest receivable	8,234	7,860
Bank-owned life insurance	42,500	42,257
Financial Liabilities:
Deposits	2,468,181	2,338,868
Repurchase agreements	12,101	11,385
Accrued interest payable	1,238	690
Subordinated debt	73,319	74,774
Interest rate swap | Carrying Value
Financial Assets:
Derivative asset	3,492	6,702
Financial Liabilities:
Derivative liability	3,492	6,702
Interest rate swap | Estimated Fair Value
Financial Assets:
Derivative asset	3,492	6,702
Financial Liabilities:
Derivative liability	3,492	6,702
Fair value hedge | Carrying Value
Financial Assets:
Derivative asset	873	1,552
Financial Liabilities:
Derivative liability	148	807
Fair value hedge | Estimated Fair Value
Financial Assets:
Derivative asset	873	1,552
Financial Liabilities:
Derivative liability	148	807
Quoted Prices in Active Markets for Identical Assets (Level I) | Estimated Fair Value
Financial Assets:
Cash and cash equivalents	353,972	307,437
Certificates of deposit with banks	0	0
Investment securities available-for-sale	0	0
Equity securities	247	247
Loans held-for-sale	0
Loans receivable, net	0	0
Servicing rights	0	0
Accrued interest receivable	0	0
Bank-owned life insurance	0	0
Financial Liabilities:
Deposits	0	0
Repurchase agreements	0	0
Accrued interest payable	0	0
Subordinated debt	0	0
Quoted Prices in Active Markets for Identical Assets (Level I) | Interest rate swap | Estimated Fair Value
Financial Assets:
Derivative asset	0	0
Financial Liabilities:
Derivative liability	0	0
Quoted Prices in Active Markets for Identical Assets (Level I) | Fair value hedge | Estimated Fair Value
Financial Assets:
Derivative asset	0	0
Financial Liabilities:
Derivative liability	0	0
Significant Other Observable Inputs (Level II) | Estimated Fair Value
Financial Assets:
Cash and cash equivalents	0	0
Certificates of deposit with banks	2,244	2,738
Investment securities available-for-sale	355,633	379,703
Equity securities	0	0
Loans held-for-sale	9,161
Loans receivable, net	0	0
Servicing rights	0	0
Accrued interest receivable	2,413	2,402
Bank-owned life insurance	42,500	42,257
Financial Liabilities:
Deposits	2,468,181	2,338,868
Repurchase agreements	12,101	11,385
Accrued interest payable	1,238	690
Subordinated debt	73,319	74,774
Significant Other Observable Inputs (Level II) | Interest rate swap | Estimated Fair Value
Financial Assets:
Derivative asset	3,492	6,702
Financial Liabilities:
Derivative liability	3,492	6,702
Significant Other Observable Inputs (Level II) | Fair value hedge | Estimated Fair Value
Financial Assets:
Derivative asset	873	1,552
Financial Liabilities:
Derivative liability	148	807
Significant Unobservable Inputs (Level III) | Estimated Fair Value
Financial Assets:
Cash and cash equivalents	0	0
Certificates of deposit with banks	0	0
Investment securities available-for-sale	39,668	41,763
Equity securities	34,200	32,155
Loans held-for-sale	0
Loans receivable, net	1,892,687	1,865,013
Servicing rights	2,729	2,831
Accrued interest receivable	5,821	5,458
Bank-owned life insurance	0	0
Financial Liabilities:
Deposits	0	0
Repurchase agreements	0	0
Accrued interest payable	0	0
Subordinated debt	0	0
Significant Unobservable Inputs (Level III) | Interest rate swap | Estimated Fair Value
Financial Assets:
Derivative asset	0	0
Financial Liabilities:
Derivative liability	0	0
Significant Unobservable Inputs (Level III) | Fair value hedge | Estimated Fair Value
Financial Assets:
Derivative asset	0
Financial Liabilities:
Derivative liability	$ 0	$ 0