Stock Repurchase Program - Narrative (Details) - USD ($)	1 Months Ended	12 Months Ended
	Aug. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Mar. 31, 2020	Jul. 31, 2019	May 31, 2016
Equity, Class of Treasury Stock [Line Items]
Amount authorized by the company's Board of Directors (not to exceed)		$ 100,000,000.00
Number of shares repurchased		393,975	1,335,584
Average price paid per share (in dollars per share)		$ 38.78	$ 35.83
Remaining authorized repurchase amount		$ 59,400,000
May 2016 Stock Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Amount authorized by the company's Board of Directors (not to exceed)						$ 30,000,000.0
Number of shares repurchased	988,767
Average price paid per share (in dollars per share)	$ 30.30
July 2019 Stock Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Amount authorized by the company's Board of Directors (not to exceed)					$ 50,000,000.0
Number of shares repurchased		393,975
Average price paid per share (in dollars per share)		$ 38.78
Remaining authorized repurchase amount		$ 9,400,000
March 2020 Stock Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Amount authorized by the company's Board of Directors (not to exceed)				$ 50,000,000.0
Number of shares repurchased		0
Remaining authorized repurchase amount		$ 50,000,000.0