Share-Based Compensation - Unrecognized Share-based Compensation Expense (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($)
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total unrecognized share-based compensation expense	$ 8,666
Weighted Average Amortization Period	3 years 2 months 19 days
Time-Based Restricted Stock Units
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Unrecognized expense, restricted stock	$ 2,719
Weighted Average Amortization Period	3 years 2 months 4 days
Stock Options
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Unrecognized expense, stock options	$ 2,903
Weighted Average Amortization Period	3 years 9 months
Performance-Based Restricted Stock Units
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Unrecognized expense, restricted stock	$ 3,044
Weighted Average Amortization Period	2 years 9 months