Derivative Instruments and Hedging Activities - Narrative (Details) - USD ($)	6 Months Ended
	Jun. 30, 2019	Dec. 31, 2018
Interest rate contracts
Derivative [Line Items]
Losses recognized in AOCI to be reclassified over the next 12 months	$ 100,000
Interest rate contracts | Derivatives designated as hedging instruments
Derivative [Line Items]
Notional amount	$ 300,000,000.0	$ 300,000,000
Interest rate contracts | Derivatives not designated as hedging instruments
Derivative [Line Items]
Fixed interest rate	1.895%
Foreign exchange forward contracts | Derivatives not designated as hedging instruments
Derivative [Line Items]
Notional amount	$ 288,900,000	$ 271,500,000
Foreign exchange forward contracts | Derivatives not designated as hedging instruments | Maximum
Derivative [Line Items]
Contract term	12 months