Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2013

Commitments And Contingencies Disclosure [Abstract]

Future Minimum Rental Payments on Operating Leases

The Company leases certain facilities and equipment under operating leases. Most leases contain renewal options for varying periods. Future minimum rental payments on such operating leases at December 31, 2013 are as follows:

(Dollar amounts in thousands)	Unrelated parties		Related party		Minimum future rentals
2014	$	753	$	3,973	$	4,726
2015		548		1,001		1,549
2016		356		—		356
2017		118		—		118
2018 and thereafter		—		—		—
	$	1,775	$	4,974	$	6,749