Loans Receivable - Non-Performing Assets (Detail) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Receivables [Abstract]
Total nonaccrual loans	$ 9,846,000	$ 13,360,000
Loans receivable 90 days or more past due and still accruing	0	0
Total Nonperforming Loans	9,846,000	13,360,000
Other real estate owned ("OREO")	117,000	675,000
Total nonperforming assets	$ 9,963,000	$ 14,035,000