Premises and Equipment - Summary of Premises and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Property Plant And Equipment [Line Items]
Total cost	$ 29,461	$ 31,879
Less: Accumulated depreciation	(6,309)	(5,255)
Premises and equipment, net	23,152	26,624
Buildings and Land [Member]
Property Plant And Equipment [Line Items]
Total cost	23,134	25,510
Furniture, Fixtures and Equipment [Member]
Property Plant And Equipment [Line Items]
Total cost	6,065	6,004
Software [Member]
Property Plant And Equipment [Line Items]
Total cost	262	324
Construction in Progress [Member]
Property Plant And Equipment [Line Items]
Total cost	$ 0	$ 41