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v3.21.2

Allowance for Doubtful Accounts - Notes Receivable Disaggregated by Vintage Year (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Current-period gross write-offs |  |  |  |
2021 |  |  | $ 0 |
2020 |  |  | 0 |
2019 |  |  | 0 |
2018 |  |  | 315 |
2017 |  |  | 2,494 |
Prior |  |  | 0 |
Total |  |  | 2,809 |
Current-period recoveries |  |  |  |
2021 |  |  | 0 |
2020 |  |  | 0 |
2019 |  |  | (1) |
2018 |  |  | 0 |
2017 |  |  | 0 |
Prior |  |  | (38) |
Total |  |  | (39) |
Current-period net write-offs |  |  |  |
2021 |  |  | 0 |
2020 |  |  | 0 |
2019 |  |  | (1) |
2018 |  |  | 315 |
2017 |  |  | 2,494 |
Prior |  |  | (38) |
Total | $ (39) | $ 2,168 | 2,770 | $ 2,168
Standard notes receivable |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
2021 | 415 |  | 415 |
2020 | 9,315 |  | 9,315 |
2019 | 13,728 |  | 13,728 |
2018 | 19,026 |  | 19,026 |
2017 | 21,577 |  | 21,577 |
Prior | 1,562 |  | 1,562 |
Total | 65,623 |  | 65,623 |
Current-period net write-offs |  |  |  |
Total | 0 | 1,721 | 9 | 1,721
Elevated risk notes receivable |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
2021 | 0 |  | 0 |
2020 | 0 |  | 0 |
2019 | 617 |  | 617 |
2018 | 0 |  | 0 |
2017 | 723 |  | 723 |
Prior | 1,374 |  | 1,374 |
Total | 2,714 |  | 2,714 |
Current-period net write-offs |  |  |  |
Total | $ (39) | $ 447 | $ 2,761 | $ 447

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