Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Composition of Capital Leases

The net book value of assets under capital leases, which are included in property, plant and equipment in our Consolidated Balance Sheets, are as follows:

	Year Ended December 31
	2017			2016
	(In thousands)
Machinery and equipment	$	5,619		$	5,832
Less accumulated depreciation	(2,948		)	(1,852		)
Net book value of assets under capital leases	$	2,671		$	3,980

Schedule of Future Minimum Payments under Non-Cancelable Operating Leases

Future minimum payments at December 31, 2017 under non-cancelable capital leases and operating leases with terms in excess of one year are summarized below:

	Capital Leases			Operating Leases
	(In thousands)
2018	$	1,199		$	104,321
2019	1,219			90,274
2020	398			70,538
2021	—			52,766
2022	—			39,066
Thereafter	—			87,116
Total minimum lease payments	2,816			$	444,081
Less amount representing interest	(145		)
Present value of capital lease obligations	$	2,671