Incentive Plan - Summary of Non-Vested Performance-based Grants (Details) - Performance shares	12 Months Ended
	Dec. 31, 2019 $ / shares shares
Number of Preferred Stock Units
Non-vested at beginning of period (in shares) | shares	682,985
Granted during period (in shares) | shares	0
Vested during period (in shares) | shares	(218,541)
Forfeited during period (in shares) | shares	(152,206)
Non-vested at end of period (in shares) | shares	312,238
Weighted Average Grant Date, Fair Value Per Share
Non-vested at beginning of period (in dollars per share) | $ / shares	$ 27.27
Granted during period (in dollars per share) | $ / shares	0
Vested during period (in dollars per share) | $ / shares	36.33
Forfeited during period (in dollars per share) | $ / shares	28.13
Non-vested at end of period (in dollars per share) | $ / shares	$ 20.52