Share-based Compensation - Schedule of Restricted Stock Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total restricted stock expense	$ 6,200	$ 4,700
Restricted Stock Awards (RSAs)
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total restricted stock expense	6,162	4,724
Restricted Stock Awards (RSAs) | Employees
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total restricted stock expense	5,692	4,724
Restricted Stock Awards (RSAs) | Director
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total restricted stock expense	$ 470	$ 0