Stockholders' Equity - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Feb. 24, 2020
Equity, Class of Treasury Stock [Line Items]
Authorized increase to stock repurchase plan					$ 60,000,000.0
Total repurchase costs			$ 5,400,000
Number of shares repurchased (in shares)	0	250,925	235,344	250,925
2017 Program
Equity, Class of Treasury Stock [Line Items]
Common stock available for future share repurchases, amount					$ 400,000
2020 Program
Equity, Class of Treasury Stock [Line Items]
Common stock available for future share repurchases, amount	$ 54,600,000		$ 54,600,000