Fair Value Measurements - Summary of Carrying Amounts and Estimated Fair Values of Financial Instruments (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Financial assets
Cash and due from banks	$ 470,456	$ 418,517	$ 114,342
Available for sale	74,892	55,093
Held to maturity	28,216
Loans, net	1,353,888	1,360,845
Accrued interest receivable	5,713	6,578
Financial liabilities
Deposits	1,680,081	1,532,460
Other borrowings	106,387	189,123
Subordinated debt	56,092	24,642
Accrued interest payable	859	545
Carrying Amount [Member]
Financial assets
Cash and due from banks	470,456	418,517
Available for sale	74,892	55,093
Held to maturity	28,386
Loans, net	1,364,256	1,355,482
Accrued interest receivable	5,713	6,578
Financial liabilities
Deposits	1,680,138	1,532,206
Other borrowings	106,387	189,043
Subordinated debt	54,028	24,994
Accrued interest payable	859	545
Level 1 [Member]
Financial assets
Cash and due from banks	470,456	418,517
Financial liabilities
Deposits	1,525,935	1,331,572
Level 2 [Member]
Financial assets
Available for sale	67,981	55,093
Held to maturity	22,632
Accrued interest receivable	633	225
Financial liabilities
Deposits	154,146	200,888
Accrued interest payable	42	51
Level 3 [Member]
Financial assets
Available for sale	6,911
Held to maturity	5,584
Loans, net	1,353,888	1,360,845
Accrued interest receivable	5,080	6,353
Financial liabilities
Other borrowings	106,387	189,123
Subordinated debt	56,092	24,642
Accrued interest payable	$ 817	$ 494