Commitments (Tables)

12 Months Ended

Dec. 31, 2013

Commitments [Abstract]

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

At December 31, 2013, the minimum payments under our operating leases for each of the five succeeding fiscal years were as follows (in thousands):

2014	$	5,787
2015	5,476
2016	5,150
2017	4,468
2018	4,298
Thereafter	16,601
Total	$	41,780