Loans - Non-Performing Assets (Detail) - USD ($)	Jun. 30, 2021	Dec. 31, 2020
Receivables [Abstract]
Nonaccrual loans	$ 39,573,000	$ 83,033,000
Loans receivable 90 days or more past due and still accruing	12,446,000	0
Total Nonperforming Loans	52,019,000	83,033,000
Other real estate owned ("OREO")	712,000	2,360,000
Total nonperforming assets	$ 52,731,000	$ 85,393,000