Commitments and Contingencies Lease Commitments (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

We have the following operating lease commitments as of December 31, 2017 with the payments due by the periods indicated below.

	Lease Commitments
	(In thousands)
Less than 1 year	$	1,858
1 year to 3 years	2,829
3 years to 5 years	173
More than 5 years	—
Total	$	4,860