Stock-Based Compensation - Estimated Annual Expense (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Estimated Annual Stock-Based Compensation Expense
2020	$ 7,069
2021	4,623
2022	1,019
2023	167
2024	55
Total	$ 12,933

Share-based Compensation Arrangement, Future Expense, Five Years

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Share-based Compensation Arrangement, Future Expense, Four Years

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Share-based Compensation Arrangement, Future Expense, Three Years

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Share-based Compensation Arrangement, Future Expense, Two Years

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Share-based Compensation Arrangements, Future Expense

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Share-based Compensation Arrangement, Future Expense, Next Twelve Months

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