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Loans Receivable and Allowance for Loan Losses (Troubled Debt Restructurings) (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 USD ($) loan | Mar. 31, 2020 USD ($) loan | Dec. 31, 2020 USD ($)
Financing Receivable, Modifications [Line Items] |  |  |
Total recorded investment in TDRs | $ 14,548,000 |  | $ 16,063,000
Number of Contracts | loan | 1 | 1 |
Post-Modification Outstanding Recorded Investments | $ 96,532 | $ 216,102 |
Performing Financing Receivable [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Total recorded investment in TDRs | 13,474,000 |  | 13,760,000
Nonperforming Financing Receivable [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Total recorded investment in TDRs | $ 1,074,000 |  | $ 2,303,000

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