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Troubled Debt Restructurings (Narrative) (Details) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2020 USD ($) contract loan | Sep. 30, 2020 USD ($) contract loan | Dec. 31, 2019 USD ($) contract
Financing Receivable Modifications [Line Items] |  |  |
Number of troubled debt restructured loans |  | 16 | 18
Loan is considered payment default |  | 30 days |
Financing Receivable, Modifications, Nonaccrual, Number of Contracts | 2 | 2 | 4
Financing Receivable, Modifications, Nonaccrual, Recorded Investment | $ | $ 126,000 | $ 126,000 | $ 401,000
Total troubled debt restructured loans | $ | $ 2,800,000 | $ 2,800,000 | $ 3,000,000
Number of deferral loans of interest and principal payments | loan | 251 | 251 |
Deferrals on outstanding loan balances | $ | $ 97,900,000 | $ 97,900,000 |
Number of loans making payment after deferral option passed | loan | 231 | 231 |
Consumer Installment |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of contracts modified by changing the amortization period | 1 | 1 |
Residential Single Family |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of contracts modified by changing the amortization period | 1 | 1 |
Number of contracts modified by new policy exception | 1 | 1 |
Number of contracts modified by reduced payment amount | 1 | 1 |
Payment Deferral [Member] | CARES Act [Member] |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Deferrals on outstanding loan balances | $ | $ 134,000.0 | $ 134,000.0 |

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