Share-based Compensation - Schedule of Restricted Stock Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total restricted stock expense	$ 11,900	$ 9,800	$ 33,600	$ 13,600
Restricted Stock Awards (RSAs)
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total restricted stock expense	7,952	5,170	18,561	10,164
Restricted Stock Awards (RSAs) | Employees
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total restricted stock expense	7,600	4,779	17,995	9,455
Restricted Stock Awards (RSAs) | Director
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total restricted stock expense	$ 352	$ 391	$ 566	$ 709