Equity Incentive Plans - Summary of Shares of Common Stock Issued (Details) - 2015 Omnibus Incentive Plan - shares	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
RSUs
Class of Stock [Line Items]
Cumulative undelivered shares of common stock (in shares)	52,386
PSUs
Class of Stock [Line Items]
Cumulative undelivered shares of common stock (in shares)	0
Common Stock | RSUs
Class of Stock [Line Items]
Shares of common stock issued (in shares)	42,797	392,062
Shares of common stock withheld by the Company as payment by employees in lieu of cash to satisfy tax withholding obligations (in shares)	(13,831)	(123,013)
Net shares of common stock issued (in shares)	28,966	269,049
Cumulative undelivered shares of common stock (in shares)	240,512	147,251
Common Stock | PSUs
Class of Stock [Line Items]
Shares of common stock issued (in shares)	0	900,226
Shares of common stock withheld by the Company as payment by employees in lieu of cash to satisfy tax withholding obligations (in shares)	0	(325,246)
Net shares of common stock issued (in shares)	0	574,980
Cumulative undelivered shares of common stock (in shares)	0	0