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Stockholders' Equity and Stock-Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended		3 Months Ended		6 Months Ended		13 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Mar. 31, 2020	May 29, 2020	May 28, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense			$ 8,303	$ 5,358	$ 14,697	$ 9,581
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of common stock that may be issued (shares)								875,000	375,000
Eliminated increase to the number of shares authorized for issuance that was previously automatically added annually								31,250
ESPP \| Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant (shares)	524,962		524,962		524,962
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested (shares)					194,000
PSU's
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested (shares)	128,000
Stock-based compensation expense			$ 1,400		$ 1,400
Underwritten public offering
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued in public offering (in shares)		9,798,000
Price per share (in usd per share)		$ 23.50					$ 23.50
Proceeds realized from offering		$ 221,700
Option to purchase additional shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued in public offering (in shares)							1,278,000