Operating Lease Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Operating Lease Commitments and Contingencies [Abstract]

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

Minimum lease payments under non-cancelable operating leases as of December 31, 2012 are as follows (in thousands):

2013	$	6,276
2014	6,073
2015	5,687
2016	5,567
2017	5,483
Thereafter	118,000
	$	147,086