Stock-Based Incentive Compensation Plans - Restricted Stock Units Activity (Details) - Restricted Stock Units	6 Months Ended
	Jun. 30, 2020 $ / shares shares
Number of Shares
Outstanding, beginning of period (in shares) | shares	543,041
Granted (in shares) | shares	945,682
Vested (in shares) | shares	(148,968)
Canceled and forfeited (in shares) | shares	(6,254)
Outstanding, end of period (in shares) | shares	1,333,501
Weighted Average Grant Date Fair Value
Outstanding, beginning of period (in dollars per share) | $ / shares	$ 19.72
Granted (in dollars per share) | $ / shares	20.07
Vested (in dollars per share) | $ / shares	20.84
Canceled and forfeited (in dollars per share) | $ / shares	18.51
Outstanding, end of period (in dollars per share) | $ / shares	$ 19.85