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v3.21.1

Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020 | Jan. 01, 2020 | Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle |  |  |  |  |
Guaranty liabilities | $ 27,933 |  | $ 29,581 |  | $ 15
Provision for expected credit losses | (1,648) | $ 17,900 | 11,631 |  |
Total stockholders’ equity | 689,246 |  | 655,049 |  |
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle |  |  |  |  |
Guaranty liabilities |  |  |  | $ 17,900 | 17,935
Accounts Receivable |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle |  |  |  |  |
Allowance for doubtful accounts | 13,400 |  | 13,400 |  | 11,800
Accounts Receivable | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle |  |  |  |  |
Increase in reserve |  |  | 4,200 |  |
Loans Receivable |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle |  |  |  |  |
Allowance for credit loss | $ 3,700 |  | $ 3,700 |  |
Loans Receivable | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle |  |  |  |  |
Total stockholders’ equity |  |  |  |  | $ 3,700

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