Stock-Based Incentive Compensation Plans - Stock Option Activity Under the Stock Option Plan (Details)	6 Months Ended
	Jun. 30, 2020 $ / shares shares
Number of Shares
Outstanding, beginning of period (in shares) | shares	2,718,971
Granted (in shares) | shares	26,236
Exercised (in shares) | shares	(89,942)
Canceled and forfeited (in shares) | shares	(2,582)
Outstanding, end of period (in shares) | shares	2,652,683
Weighted-Average Exercise Price
Outstanding, beginning of period (in dollars per share) | $ / shares	$ 8.02
Granted (in dollars per share) | $ / shares	17.31
Exercised (in dollars per share) | $ / shares	4.00
Canceled and forfeited (in dollars per share) | $ / shares	14.75
Outstanding, end of period (in dollars per share) | $ / shares	$ 8.24