Derivative Instruments - Narrative (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Mar. 29, 2018 USD ($) arrangement	Jul. 22, 2016 USD ($) arrangement	Sep. 15, 2015 USD ($)
Derivative Instruments, Gain (Loss) [Line Items]
Estimated derivative gain (loss) to be reclassified within twelve months	$ 2,700
Interest Rate Swap
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, notional amount	400,000
Derivative Assets (Liabilities), at Fair Value, Net	5,670	$ 9,839
2015 Term Loan
Derivative Instruments, Gain (Loss) [Line Items]
Debt instrument, face amount	150,000
2015 Term Loan | Interest Rate Swap
Derivative Instruments, Gain (Loss) [Line Items]
Number of derivative instruments held					2
Derivative, notional amount					$ 150,000
Derivative, fixed interest rate (percent)					2.72%
2016 Term Loan [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Debt instrument, face amount				$ 150,000
2016 Term Loan [Member] | Interest Rate Swap
Derivative Instruments, Gain (Loss) [Line Items]
Number of derivative instruments held | arrangement				2
Derivative, fixed interest rate (percent)				2.86%
2018 Term Loan
Derivative Instruments, Gain (Loss) [Line Items]
Debt instrument, face amount	$ 250,000
2018 Term Loan | Interest Rate Swap
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, fixed interest rate (percent)			2.87%
2018 Term Loan A | Interest Rate Swap
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, notional amount			$ 150,000	$ 150,000
Derivative, fixed interest rate (percent)			2.31%
2018 Term Loan B
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, notional amount			$ 100,000
2018 Term Loan B | Interest Rate Swap
Derivative Instruments, Gain (Loss) [Line Items]
Number of derivative instruments held | arrangement			4
Derivative, notional amount			$ 100,000
Derivative, fixed interest rate (percent)			3.71%