Stockholders' Equity - Additional Information (Details) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended
	Mar. 31, 2019 $ / shares shares	Mar. 31, 2019 USD ($) $ / shares
Class Of Stock [Line Items]
Proceeds from offering, net of underwriting discounts and commissions and offering expenses | $		$ 271,520
Follow-On-Offering
Class Of Stock [Line Items]
Common stock shares issued | shares	5,663,750
Common stock shares issued, price per share | $ / shares	$ 51.00	$ 51.00
Proceeds from offering, net of underwriting discounts and commissions and offering expenses | $		$ 271,200
Over Allotment Option
Class Of Stock [Line Items]
Common stock shares issued | shares	738,750