Stock-Based Compensation - Schedule of Restricted Stock Unit Activity and Weighted Average Grant Date Fair Value (Details) - Restricted Stock Units	9 Months Ended
	Sep. 30, 2019 $ / shares shares
Shares
Non-vested, beginning balance (in shares) | shares	311,000
Granted (in shares) | shares	250,359
Forfeited (in shares) | shares	(25,738)
Vested (in shares) | shares	(130,527)
Non-vested, ending balance (in shares) | shares	405,094
Weighted-Average Grant Date Fair Value
Non-vested, beginning balance (in dollars per share) | $ / shares	$ 42.66
Granted (in dollars per share) | $ / shares	49.05
Forfeited (in dollars per share) | $ / shares	47.57
Vested (in dollars per share) | $ / shares	37.94
Non-vested, ending balance (in dollars per share) | $ / shares	$ 47.81