Stock-Based Compensation - Summary of Stock Option Activity (Details)	9 Months Ended
	Sep. 30, 2019 $ / shares shares
Number of Shares
Number of Shares, Beginning Balance (in shares) | shares	76,751
Number of Shares, Exercised (in shares) | shares	(66,120)
Number of Shares, Ending Balance (in shares) | shares	10,631
Weighted Average Exercise Price
Weighted Average Exercise Price, Beginning Balance (in $ per share) | $ / shares	$ 12.86
Weighted Average Exercise Price, Exercised (in $ per share) | $ / shares	9.79
Weighted Average Exercise Price, Ending Balance (in $ per share) | $ / shares	$ 31.96