Loans Receivable, Net - Narrative (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021 USD ($) Loan	Sep. 30, 2020 USD ($) Loan	Sep. 30, 2021 USD ($) Loan	Sep. 30, 2020 USD ($) Loan	Dec. 31, 2020 USD ($)
Loans and Leases Receivable Disclosure
Interest reversed on non-accrual loans			$ 472	$ 628
Number of loans | Loan	0	6	10	16
TDR with pre modification loan balance for which OREO was received	$ 1,624	$ 2,265	$ 1,624	$ 2,265
Consumer mortgage loans secured by residential real estate properties for which formal foreclosure proceedings are in process	83		83		$ 548
OREO secured by residential real estate	$ 88		$ 88		$ 273