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Loans Receivable and Allowance for Loan Losses (Troubled Debt Restructurings) (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
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Financing Receivable, Modifications [Line Items] |  |
Total recorded investment in TDRs | $ 16,391 | $ 16,063
Performing Financing Receivable [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Total recorded investment in TDRs | 12,568 | 13,760
Nonperforming Financing Receivable [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Total recorded investment in TDRs | $ 3,823 | $ 2,303

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- Definition Amount of financing receivable modified as troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554 + Details
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