Lease Obligations (Tables)

3 Months Ended

Mar. 31, 2018

Leases [Abstract]

Schedule of Future Minimum Lease Payments for Capital and Operating Leases [Table Text Block]

The future minimum lease payments required under capital leases and operating leases, together with the present value of capital leases, as of March 31, 2018 were as follows:

	Capital		Operating
(In thousands)	Lease Obligations		Lease Obligations
Remainder of 2018	$	889	$	3,124
2019		1,185		3,101
2020		1,185		2,225
2021		357		1,581
2022		—		1,009
Thereafter		—		487
Total minimum lease payments	$	3,616	$	11,527
Interest		(173)
Net present value of minimum lease payments		3,443
Less: Current portion of capital lease obligations		1,094
Long-term capital lease obligations	$	2,349