Loans Held for Sale - Delinquent and Non-performing Loans Sold During the Period Indicated (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2023 USD ($) loan	Jun. 30, 2023 USD ($) loan	Jun. 30, 2022 USD ($) loan
Nonperforming Financial Instruments [Member]
Loans sold | loan	5	13	2
Proceeds	$ 4,466	$ 7,042	$ 4,117
Net Charge-offs		(8)
Net gain	$ 54	$ 108	$ 73
Nonperforming Financial Instruments [Member] | Multi-family Residential Portfolio Segment [Member]
Loans sold | loan	2	7
Proceeds	$ 2,074	$ 3,622
Net gain	$ 14	$ 69
Nonperforming Financial Instruments [Member] | Commercial Real Estate [Member]
Loans sold | loan	1	3	1
Proceeds	$ 1,026	$ 1,867	$ 3,687
Net Charge-offs		$ (8)
Net gain			$ 73
Nonperforming Financial Instruments [Member] | One-To-Four Family - Mixed-Use Property Portfolio Segment [Member]
Loans sold | loan	2	3	1
Proceeds	$ 1,366	$ 1,553	$ 430
Net gain	$ 40	$ 39
Performing Financial Instruments [Member]
Loans sold | loan			5
Proceeds			$ 14,448
Performing Financial Instruments [Member] | Multi-family Residential Portfolio Segment [Member]
Loans sold | loan			4
Proceeds			$ 10,136
Performing Financial Instruments [Member] | Commercial Real Estate [Member]
Loans sold | loan			1
Proceeds			$ 4,312