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Basis of Presentation - Narrative (Details) $ in Thousands | 6 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2022 USD ($) segment | Mar. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Jun. 30, 2021 USD ($) | Mar. 31, 2021 USD ($) | Jan. 01, 2021 USD ($) | Dec. 31, 2020 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |  |  |  |
Number of reportable segments | segment | 1 |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |
Total equity | $ 685,244 | $ 760,666 | $ 752,917 | $ 726,667 | $ 742,995 |  | $ 796,566
Retained Earnings |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |
Total equity | 1,458,674 | 1,448,138 | 1,441,105 | 1,414,844 | 1,424,151 |  | 1,413,969
Additional Paid-In Capital |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |
Total equity | $ 704,370 | $ 715,342 | $ 713,599 | $ 690,123 | $ 683,270 |  | 738,481
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |
Total equity |  |  |  |  |  |  | (39,762)
Cumulative Effect, Period of Adoption, Adjustment | Retained Earnings |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |
Total equity |  |  |  |  |  |  | 15,587
Cumulative Effect, Period of Adoption, Adjustment | Additional Paid-In Capital |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |
Total equity |  |  |  |  |  |  | $ (55,349)
Accounting Standards Update 2020-06 | Cumulative Effect, Period of Adoption, Adjustment | Retained Earnings |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |
Total equity |  |  |  |  |  | $ 65,800 |
Accounting Standards Update 2020-06 | Cumulative Effect, Period of Adoption, Adjustment | Additional Paid-In Capital |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |
Total equity |  |  |  |  |  | 55,400 |
Accounting Standards Update 2020-06 | 2024 Senior Convertible Long-Term Debt |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  | 50,200 |
Increase in deferred tax asset |  |  |  |  |  | $ 10,400 |

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