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Loans Held for Sale - Delinquent and Non-performing Loans Sold During the Period Indicated (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 USD ($) loan | Dec. 31, 2020 USD ($) loan | Dec. 31, 2019 USD ($) loan
Nonperforming Financial Instruments [Member] |  |  |
Loans sold | loan | 33 | 2 | 11
Proceeds | $ 28,632 | $ 580 | $ 13,048
Net Recoveries (Charge-offs) | (121) | 0 | (1)
Net gain | $ 335 | $ 42 | $ 756
Nonperforming Financial Instruments [Member] | Multi-family Residential Portfolio Segment [Member] |  |  |
Loans sold | loan | 13 | 1 | 5
Proceeds | $ 14,269 | $ 284 | $ 2,115
Net Recoveries (Charge-offs) | (43) | 0 | 0
Net gain | $ 112 | $ 42 | $ 367
Nonperforming Financial Instruments [Member] | Commercial Real Estate |  |  |
Loans sold | loan | 4 |  | 2
Proceeds | $ 7,380 |  | $ 6,800
Net Recoveries (Charge-offs) | (64) |  | 0
Net gain | $ 104 |  | $ 383
Nonperforming Financial Instruments [Member] | One-To-Four Family - Mixed-Use Property Portfolio Segment [Member] |  |  |
Loans sold | loan | 16 | 1 | 3
Proceeds | $ 6,983 | $ 296 | $ 885
Net Recoveries (Charge-offs) | (14) | 0 | (1)
Net gain | $ 119 | $ 0 | $ 6
Nonperforming Financial Instruments [Member] | One-To-Four Family - Residential Portfolio Segment [Member] |  |  |
Loans sold | loan |  |  | 1
Proceeds |  |  | $ 3,248
Net Recoveries (Charge-offs) |  |  | 0
Net gain |  |  | $ 0
Performing Financial Instruments [Member] |  |  |
Loans sold | loan |  | 2 | 3
Proceeds |  | $ 6,913 | $ 2,069
Net Recoveries (Charge-offs) |  | 0 | 0
Net gain |  | $ 6 | $ 114
Performing Financial Instruments [Member] | Commercial Business and Other Portfolio Segment [Member] |  |  |
Loans sold | loan |  | 1 |
Proceeds |  | $ 6,139 |
Net Recoveries (Charge-offs) |  | 0 |
Net gain |  | $ (62) |
Performing Financial Instruments [Member] | Small Business Administration Portfolio Segment [Member] |  |  |
Loans sold | loan |  | 1 | 3
Proceeds |  | $ 774 | $ 2,069
Net Recoveries (Charge-offs) |  | 0 | 0
Net gain |  | $ 68 | $ 114

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- Definition Delinquent and non-performing loans sold during the period. + References No definition available. + Details
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