Loans Receivable - Additional Information (Detail) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) Loan	Jun. 30, 2022 USD ($)
Schedule Of Activity Relating To Amount Due From Related Party [Line Items]
Payments to Acquire Loans Receivable	$ 0	$ 0	$ 0	$ 0
Non-performing assets	9,800		9,800
Increase in Non-performing assets	9,500		9,500
Financing receivable allowance for credit losses write offs	1,868	200	1,868	200
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Schedule Of Activity Relating To Amount Due From Related Party [Line Items]
Financing receivable, accrued interest, writeoff			228
Commercial real estate [Member]
Schedule Of Activity Relating To Amount Due From Related Party [Line Items]
Increase in Non-performing assets due to delinquency	4,500		4,500
Financing receivable allowance for credit losses write offs	1,718	200	1,718	200
Construction [Member]
Schedule Of Activity Relating To Amount Due From Related Party [Line Items]
Increase in Non-performing assets due to delinquency	2,900		2,900
Financing receivable allowance for credit losses write offs	148	$ 0	$ 148	$ 0
Performing [Member]
Schedule Of Activity Relating To Amount Due From Related Party [Line Items]
Number of loans | Loan			3
Troubled debt restructuring	5,900		$ 5,900
Nonperforming [Member] | Loans Receivable [Member]
Schedule Of Activity Relating To Amount Due From Related Party [Line Items]
Increase in Non-performing assets due to delinquency	$ 2,500		$ 2,500