Equity Incentive Plans - Summary of Shares of Common Stock Issued (Details) - 2015 Omnibus Incentive Plan - shares	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
RSUs
Class of Stock [Line Items]
Cumulative undelivered shares of common stock (in shares)	64,475
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)	62,855	407,083
Shares of common stock withheld by the Company as payment by employees in lieu of cash to satisfy tax withholding obligations (in shares)	(16,972)	(123,013)
Net shares of common stock issued (in shares)	45,883	284,070
Cumulative undelivered shares of common stock (in shares)	252,601	172,627
Common Stock | PSUs
Class of Stock [Line Items]
Shares of common stock issued (in shares)	789	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)	(269)	(325,246)
Net shares of common stock issued (in shares)	520	574,980
Cumulative undelivered shares of common stock (in shares)	0	0