Fair Value Presentation - Schedule of Carrying Amounts and Estimated Fair Values of Financial Instruments (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Assets:
Cash and cash equivalents	$ 93,199	$ 107,528
Restricted equity securities	15,609	4,616
Securities:
Available for sale	99,913	147,414
Held to maturity	20,349	22,520
Bank owned life insurance	36,241	25,341
Level 1 [Member]
Assets:
Cash and cash equivalents	93,199	107,528
Level 2 [Member]
Assets:
Restricted equity securities	15,609	4,616
Securities:
Available for sale	99,913	147,414
Held to maturity	21,144	23,578
Derivative asset – interest rate swap on loans	2,097	12,152
Bank owned life insurance	36,241	25,341
Accrued interest receivable	6,735	9,154
Liabilities:
Deposits	952,815	941,503
Subordinated debt, net	29,570	14,834
Derivative liability – interest rate swaps on loans	2,097	12,152
Accrued interest payable	462	490
Level 3 [Member]
Securities:
Loans, net	1,346,048	1,259,671
Loans held for sale		58,930
Liabilities:
Deposits	462,736	510,205
Reported Value Measurement [Member]
Assets:
Cash and cash equivalents	93,199	107,528
Restricted equity securities	15,609	4,616
Securities:
Available for sale	99,913	147,414
Held to maturity	20,349	22,520
Loans, net	1,341,760	1,230,379
Loans held for sale		57,006
Derivative asset – interest rate swap on loans	2,097	12,152
Bank owned life insurance	36,241	25,341
Accrued interest receivable	6,735	9,154
Liabilities:
Deposits	1,411,963	1,438,246
Subordinated debt, net	29,294	14,834
Derivative liability – interest rate swaps on loans	2,097	12,152
Accrued interest payable	462	490
Estimate of Fair Value Measurement [Member]
Assets:
Cash and cash equivalents	93,199	107,528
Restricted equity securities	15,609	4,616
Securities:
Available for sale	99,913	147,414
Held to maturity	21,144	23,578
Loans, net	1,346,048	1,259,671
Loans held for sale		58,930
Derivative asset – interest rate swap on loans	2,097	12,152
Bank owned life insurance	36,241	25,341
Accrued interest receivable	6,735	9,154
Liabilities:
Deposits	1,415,551	1,451,708
Subordinated debt, net	29,570	14,834
Derivative liability – interest rate swaps on loans	2,097	12,152
Accrued interest payable	$ 462	$ 490