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Credit Losses (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Allowance For credit loss, Expected Loss Rate | 42.00% |
Due from Employees | $ 46,161 | $ 43,670
2020 | 741 |
2019 | 445 |
2018 | 177 |
2017 | 737 |
2016 | 484 |
2015 and prior | 3,149 |
Total | 5,733 |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Beginning balance | 3,673 |
Additions and other adjustments | 561 |
Ending balance | $ 4,234 |
Maximum [Member] | Notes Receivable |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Service Period | 10 years |
Minimum [Member] | Notes Receivable |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Service Period | 3 years |
Notes Receivable, Five years and Older [Member] |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Ending balance | $ 3,100 |
Notes Receivable, Under Five Years [Member] |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |
Ending balance | $ 1,100 |

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