Derivative Financial Instruments - Additional Information (Details) - USD ($)	6 Months Ended
Jun. 30, 2019	Dec. 31, 2018
Derivative [Line Items]
Objectives for using derivative instruments	The Company’s objective in using interest rate swaps and collars is to minimize the risks associated with its floating rate debt. The Company makes use of cross currency swaps to decrease the foreign exchange risk inherent in the Company’s investment in its foreign subsidiaries.
Net derivative gain will be reclassified from AOCI into net income	$ 600,000
Posted collateral related to agreements	0	$ 0
Foreign Currency Forward Contracts
Derivative [Line Items]
Fair value of foreign exchange hedges	$ 0

The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.

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The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Fair value as of the balance sheet date of all derivatives designated as foreign currency fair value hedging instruments.

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Description of the reasons for holding or issuing derivative instruments and nonderivative hedging instruments. Includes discussion of the objectives for holding or issuing derivative instruments, the context needed to understand those objectives, and the strategies for achieving those objectives. The description generally distinguishes between derivative and nonderivative instruments by the types of hedging relationships and between those instruments used for risk management purposes and those used for other purposes. Information about those instruments is disclosed in the context of each instrument's primary underlying risk exposure (for example, interest rate, credit, foreign exchange rate, interest rate and foreign exchange rate, or overall price).

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