Leasing Arrangements (Tables)

12 Months Ended

Dec. 31, 2017

Leases [Abstract]

Future Minimum Capital and Operating Lease Payments

Future minimum capital and operating lease payments at December 31, 2017 are:

	Capital Leases		Operating Leases
2018	$	938	$	3,359
2019	437		2,126
2020	21		1,929
2021	—		1,662
2022	—		1,059
Subsequent to 2022	—		2,329
Total minimum lease payments	1,396		$	12,464
Amounts representing interest	34
Present value of net minimum lease payments	1,362
Current maturities	912
Long-term capital lease obligation	$	450

Assets Recorded Under Capital Leases Included in Property

Assets recorded under capital leases are included in property, plant and equipment and consist of the following:

	December 31
	2017		2016
Plant and equipment	$	4,807	$	4,807
Less accumulated depreciation	3,730		3,129
	$	1,077	$	1,678