Parent Company Only Condensed Financial Information - Schedule of Condensed Statements of Operations and Comprehensive Income (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Expenses:
Interest expense	$ 2,390	$ 2,717
Other noninterest expenses	2,311	1,222
Income before income tax (benefit) expense	100	4,838
Income tax benefit	(189)	645
NET INCOME	289	4,193
Comprehensive (Loss) Income	(1,125)	6,401
Parent Company [Member]
Income:
Interest income	18	15
Dividend income from subsidiaries	724	1,433
Expenses:
Interest expense	249
Other noninterest expenses	794	261
Income before income tax (benefit) expense	(301)	1,186
Income tax benefit	(199)
Net income (loss), including portion attributable to noncontrolling interest, total	(102)	1,186
Equity in undistributed subsidiary income	391	3,007
NET INCOME	289	4,193
Comprehensive (Loss) Income	$ (1,125)	$ 6,401