Fair Value - Summary of Carrying Value and Fair Values of the Bank's Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Financial assets:
Securities available-for-sale, at fair value	$ 437,420	$ 459,396
Securities held to maturity, fair value	1,775	1,830
Loans held for sale carried at fair value	21,764	37,306
Carrying amount
Financial assets:
Cash and due from banks, interest-bearing deposits in financial institutions	113,825	395,225
Federal funds sold	0	19,900
Securities available-for-sale, at fair value	437,420	459,396
Securities held to maturity, fair value	1,769	1,782
Loans held for sale carried at fair value	85,884	83,715
Restricted equity securities	16,616	14,453
Loans held for investment	2,234,833	1,965,769
Accrued interest receivable	8,017	7,376
Other assets	91,280	91,064
Financial liabilities:
Deposits	2,630,487	2,684,281
Subordinated notes and Federal Home Loan bank advances and other borrowings	74,599	29,532
Other liabilities	1,710	1,842
Fair value | Level 1
Financial assets:
Cash and due from banks, interest-bearing deposits in financial institutions	113,825	395,225
Federal funds sold	0	19,900
Fair value | Level 2
Financial assets:
Securities available-for-sale, at fair value	437,420	459,396
Securities held to maturity, fair value	1,775	1,830
Loans held for sale carried at fair value	86,911	84,934
Accrued interest receivable	8,017	7,376
Financial liabilities:
Subordinated notes and Federal Home Loan bank advances and other borrowings	75,420	30,477
Fair value | Level 3
Financial assets:
Loans held for investment	2,233,939	1,963,803
Financial liabilities:
Deposits	2,412,683	2,517,856
Other liabilities	1,710	1,842
Fair value | Level 2 / Level 3
Financial assets:
Other assets	$ 91,280	$ 91,064