Fair Value Measurement - Narrative (Details)	3 Months Ended	6 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	May 31, 2019 USD ($) contract
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest Rate Collar Contracts | contract				3
Notional Amount	$ 222,300,000	$ 222,300,000		$ 222,300,000
No gain (loss) was reclassified from accumulated other comprehensive loss	0	0
Gain (Loss) on Interest Rate Cash Flow Hedge Ineffectiveness		0
Derivative Asset, Notional Amount	$ 1,000,000.0	1,000,000.0
Nonrecurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment charges		$ 0	$ 0