Share-Based Compensation and Employee Benefit Plans - Summary of Restricted Stock Unit Activity (Details) - Restricted Stock Units (RSUs) [Member] - $ / shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Activity for RSUs [Roll Forward]
Number of Shares, Beginning balance (in shares)	639,000	816,000	914,000
Number of Shares, Granted (in shares)	271,000	228,000	225,000
Number of Shares, Assumed in Merger (in shares)	598,000
Number of Shares, Vested (in shares)	(366,000)	(325,000)	(258,000)
Number of Shares, Forfeited (in shares)	(35,000)	(80,000)	(65,000)
Number of Shares, Ending balance (in shares)	1,107,000	639,000	816,000
Weighted Average Grant Date Fair Value for RSUs [Roll Forward]
Weighted Average Grant Date Fair Value, Beginning balance (in dollars per share)	$ 24.26	$ 18.50	$ 15.29
Weighted Average Grant Date Fair Value, Granted (in dollars per share)	29.58	34.80	28.23
Weighted Average Grant Date Fair Value, Assumed in Merger (in dollars per share)	31.43
Weighted Average Grant Date Fair Value, Vested (in dollars per share)	25.69	17.73	14.80
Weighted Average Grant Date Fair Value, Forfeited (in dollars per share)	26.44	22.12	17.14
Weighted Average Grant Date Fair Value, Ending balance (in dollars per share)	$ 28.89	$ 24.26	$ 18.50