Fair Value Presentation - Schedule of Fair Value Assets Measured on Recurring Basis (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Assets:
Investment securities available-for-sale	$ 99,913	$ 147,414
Level 2 [Member]
Assets:
Investment securities available-for-sale	99,913	147,414
Derivative asset	2,097	12,152
Liabilities:
Derivative liability	2,097	12,152
U.S. Treasury Securities [Member]
Assets:
Investment securities available-for-sale	20,000	90,000
Collateralized Mortgage Backed [Member]
Assets:
Investment securities available-for-sale	30,882	24,896
Subordinated Debt [Member]
Assets:
Investment securities available-for-sale	8,704	3,278
Taxable Municipal Securities [Member]
Assets:
Investment securities available-for-sale	10,557	6,271
U.S Government Agencies [Member]
Assets:
Investment securities available-for-sale	5,627	6,635
Tax-Exempt Municipal Securities [Member]
Assets:
Investment securities available-for-sale	24,143	16,334
Fair Value, Measurements, Recurring [Member]
Assets:
Total	102,010	159,566
Liabilities:
Total	2,097	12,152
Fair Value, Measurements, Recurring [Member] \| Interest Rate Swap on Loans [Member]
Assets:
Derivative asset	2,097	12,152
Liabilities:
Derivative liability	2,097	12,152
Fair Value, Measurements, Recurring [Member] \| Level 2 [Member]
Assets:
Total	102,010	159,566
Liabilities:
Total	2,097	12,152
Fair Value, Measurements, Recurring [Member] \| Level 2 [Member] \| Interest Rate Swap on Loans [Member]
Assets:
Derivative asset	2,097	12,152
Liabilities:
Derivative liability	2,097	12,152
Fair Value, Measurements, Recurring [Member] \| U.S. Treasury Securities [Member]
Assets:
Investment securities available-for-sale	20,000	90,000
Fair Value, Measurements, Recurring [Member] \| U.S. Treasury Securities [Member] \| Level 2 [Member]
Assets:
Investment securities available-for-sale	20,000	90,000
Fair Value, Measurements, Recurring [Member] \| Collateralized Mortgage Backed [Member]
Assets:
Investment securities available-for-sale	30,882	24,896
Fair Value, Measurements, Recurring [Member] \| Collateralized Mortgage Backed [Member] \| Level 2 [Member]
Assets:
Investment securities available-for-sale	30,882	24,896
Fair Value, Measurements, Recurring [Member] \| Subordinated Debt [Member]
Assets:
Investment securities available-for-sale	8,704	3,278
Fair Value, Measurements, Recurring [Member] \| Subordinated Debt [Member] \| Level 2 [Member]
Assets:
Investment securities available-for-sale	8,704	3,278
Fair Value, Measurements, Recurring [Member] \| Taxable Municipal Securities [Member]
Assets:
Investment securities available-for-sale	10,557	6,271
Fair Value, Measurements, Recurring [Member] \| Taxable Municipal Securities [Member] \| Level 2 [Member]
Assets:
Investment securities available-for-sale	10,557	6,271
Fair Value, Measurements, Recurring [Member] \| U.S Government Agencies [Member]
Assets:
Investment securities available-for-sale	5,627	6,635
Fair Value, Measurements, Recurring [Member] \| U.S Government Agencies [Member] \| Level 2 [Member]
Assets:
Investment securities available-for-sale	5,627	6,635
Fair Value, Measurements, Recurring [Member] \| Tax-Exempt Municipal Securities [Member]
Assets:
Investment securities available-for-sale	24,143	16,334
Fair Value, Measurements, Recurring [Member] \| Tax-Exempt Municipal Securities [Member] \| Level 2 [Member]
Assets:
Investment securities available-for-sale	$ 24,143	$ 16,334

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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