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Commitments and Contingencies Lease Commitments (Tables)
12 Months Ended
Dec. 31, 2016
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
 
Lease Commitments
 
(In thousands)
Less than 1 year
$
481

1 year to 3 years
553

3 years to 5 years
221

More than 5 years

Total
$
1,255