Disclosures about Fair Value of Financial Instruments - Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Financial Assets
Available-for-sale securities	$ 656,527	$ 745,969
Restricted equity securities	9,277	11,927
Financial Liabilities
Federal Home Loan Bank advances	205,349	236,600
Carrying Amount
Financial Assets
Cash and cash equivalents	309,135	482,727
Available-for-sale securities	656,527	745,969
Loans, net of allowance for loan losses	4,621,782	4,197,838
Restricted equity securities	9,277	11,927
Interest receivable	20,553	16,023
Equity securities	4,022	2,642
Derivative assets	11,430	11,308
Total financial assets	5,632,726	5,468,434
Financial Liabilities
Deposits	4,987,515	4,683,597
Federal Home Loan Bank line of credit	67,749
Federal Home Loan Bank advances	137,600	236,600
Other borrowings	1,048	1,009
Interest payable	2,318	1,336
Derivative liabilities	18,322	11,887
Total financial liabilities	5,214,552	4,934,429
Estimate of Fair Value Measurement | Level 1
Financial Assets
Cash and cash equivalents	309,135	482,727
Available-for-sale securities	0	0
Loans, net of allowance for loan losses	0	0
Restricted equity securities	0	0
Interest receivable	0	0
Equity securities	0	0
Derivative assets	0	0
Total financial assets	309,135	482,727
Financial Liabilities
Deposits	1,113,934	1,163,224
Federal Home Loan Bank line of credit	0
Federal Home Loan Bank advances	0	0
Other borrowings	0	0
Interest payable	0	0
Derivative liabilities	0	0
Total financial liabilities	1,113,934	1,163,224
Estimate of Fair Value Measurement | Level 2
Financial Assets
Cash and cash equivalents	0	0
Available-for-sale securities	656,527	745,969
Loans, net of allowance for loan losses	0	0
Restricted equity securities	0	0
Interest receivable	20,553	16,023
Equity securities	1,969	2,209
Derivative assets	11,430	11,308
Total financial assets	690,479	775,509
Financial Liabilities
Deposits	0	0
Federal Home Loan Bank line of credit	67,749
Federal Home Loan Bank advances	130,684	241,981
Other borrowings	1,875	2,318
Interest payable	2,318	1,336
Derivative liabilities	18,322	11,887
Total financial liabilities	220,948	257,522
Estimate of Fair Value Measurement | Level 3
Financial Assets
Cash and cash equivalents	0	0
Available-for-sale securities	0	0
Loans, net of allowance for loan losses	4,599,659	4,178,268
Restricted equity securities	9,277	11,927
Interest receivable	0	0
Equity securities	2,053	433
Derivative assets	0	0
Total financial assets	4,610,989	4,190,628
Financial Liabilities
Deposits	3,731,781	3,482,218
Federal Home Loan Bank line of credit	0
Federal Home Loan Bank advances	0	0
Other borrowings	0	0
Interest payable	0	0
Derivative liabilities	0	0
Total financial liabilities	$ 3,731,781	$ 3,482,218