Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Leases [Abstract]

Operating and Capital Leases [Table Text Block]

(Dollars in thousands)	2012		2011		2010
Operating lease expense	$	2,655	$	3,137	$	3,102
Capital lease payments	1,627		1,627		—

Schedule Of Future Minimum Lease Payments For Operating and Capital Leases [Table Text Block]

(Dollars in thousands)	Future minimum lease payments
	2013		2014		2015		2016		2017
Operating leases	$	2,457	$	1,186	$	747	$	642	$	266
Capital lease	1,422		808		808		808		808

(Dollars in thousands)	Operating Leases		Capital Lease
Total future minimum lease payments	$	5,739	$	7,484