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Student Loans - Credit Quality Indicators (Details) $ in Thousands | Sep. 30, 2021 USD ($) loan | Dec. 31, 2020 USD ($) loan | Sep. 30, 2020 USD ($)
--- | --- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total Loans | $ 807,937 | $ 655,411 | $ 661,482
Accrued Interest | $ 8,246 | $ 8,164 |
Student loan |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Number of Loans | loan | 1,163 | 1,297 |
Total Loans | $ 50,193 | $ 57,385 |
Accrued Interest | $ 5,487 | $ 4,974 |
Student loan | School |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Number of Loans | loan | 185 | 319 |
Total Loans | $ 6,551 | $ 12,905 |
Accrued Interest | $ 1,918 | $ 3,201 |
Student loan | Grace |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Number of Loans | loan | 108 | 34 |
Total Loans | $ 5,076 | $ 988 |
Accrued Interest | $ 1,479 | $ 719 |
Student loan | Repayment |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Number of Loans | loan | 459 | 623 |
Total Loans | $ 20,782 | $ 28,906 |
Accrued Interest | $ 549 | $ 292 |
Student loan | Deferment |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Number of Loans | loan | 232 | 187 |
Total Loans | $ 9,285 | $ 7,407 |
Accrued Interest | $ 1,025 | $ 209 |
Student loan | Forbearance |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Number of Loans | loan | 179 | 134 |
Total Loans | $ 8,499 | $ 7,179 |
Accrued Interest | $ 516 | $ 553 |

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