Shareholders' Equity - Narrative (Details) - USD ($) $ / shares in Units, shares in Millions		1 Months Ended		3 Months Ended
	Jun. 17, 2020	Apr. 30, 2020	Feb. 29, 2020	Mar. 31, 2020	Mar. 31, 2019	Oct. 31, 2018
Subsequent Event [Line Items]
Dividends paid				$ (5,500,000)	$ (5,400,000)
Cash dividends per share, declared (in dollars per share)				$ 0.26	$ 0.25
Repurchase of common stock				$ 5,300,000	$ 2,000,000.0
Subsequent Event
Subsequent Event [Line Items]
Cash dividends per share, declared (in dollars per share)		$ 0.26
Common Stock
Subsequent Event [Line Items]
Shares repurchases (in shares)				0.1	0.0
Share Repurchase Plan
Subsequent Event [Line Items]
Authorized amount						$ 50,000,000.0
Repurchase of common stock				$ 5,300,000
Remaining amount of authorized purchases				$ 29,700,000
Employee Stock Options
Subsequent Event [Line Items]
Options issued (in shares)			0.1
Exercise price (in dollars per share)			$ 53.78
Option term			10 years
Average expected term				6 years
Fair value (in dollars per share)				$ 13.64
Forecast
Subsequent Event [Line Items]
Cash dividends per share, paid (in dollars per share)	$ 0.26