Loans Receivable, Net - Troubled Debt Restructurings (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($) Loan	Sep. 30, 2021 Loan	Sep. 30, 2022 USD ($) Loan	Sep. 30, 2021 USD ($) Loan
TDRs that occurred during the period
Number of loans | Loan	4	0	9	10
Pre-modification recorded balance	$ 3,492		$ 5,511	$ 2,368
Post-modification recorded balance	$ 4,223		$ 6,242	$ 2,368
TDRs that subsequently defaulted
Number of loans | Loan	0		0	0
Recorded balance	$ 0		$ 0	$ 0
Residential real estate
TDRs that occurred during the period
Number of loans | Loan	0		1	1
Pre-modification recorded balance	$ 0		$ 31	$ 210
Post-modification recorded balance	$ 0		$ 31	$ 210
TDRs that subsequently defaulted
Number of loans | Loan	0		0	0
Recorded balance	$ 0		$ 0	$ 0
Commercial real estate
TDRs that occurred during the period
Number of loans | Loan	1		3	5
Pre-modification recorded balance	$ 2,310		$ 4,242	$ 1,473
Post-modification recorded balance	$ 2,906		$ 4,838	$ 1,473
TDRs that subsequently defaulted
Number of loans | Loan	0		0	0
Recorded balance	$ 0		$ 0	$ 0
Other commercial
TDRs that occurred during the period
Number of loans | Loan	3		5	3
Pre-modification recorded balance	$ 1,182		$ 1,238	$ 554
Post-modification recorded balance	$ 1,317		$ 1,373	$ 554
TDRs that subsequently defaulted
Number of loans | Loan	0		0	0
Recorded balance	$ 0		$ 0	$ 0
Home equity
TDRs that occurred during the period
Number of loans | Loan	0		0	0
Pre-modification recorded balance	$ 0		$ 0	$ 0
Post-modification recorded balance	$ 0		$ 0	$ 0
TDRs that subsequently defaulted
Number of loans | Loan	0		0	0
Recorded balance	$ 0		$ 0	$ 0
Other consumer
TDRs that occurred during the period
Number of loans | Loan	0		0	1
Pre-modification recorded balance	$ 0		$ 0	$ 131
Post-modification recorded balance	$ 0		$ 0	$ 131
TDRs that subsequently defaulted
Number of loans | Loan	0		0	0
Recorded balance	$ 0		$ 0	$ 0