Accumulated Other Comprehensive Loss (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Accumulated Other Comprehensive Loss [Abstract]
Net unrealized gains on securities	$ 973	$ 2,543
Tax effect	(331)	(865)
Net of tax amount	642	1,678
Net unrealized losses on derivatives	(727)	(1,103)
Tax effect	247	375
Net of tax amount	(480)	(728)
Accumulated pension adjustment	(7,576)	(7,576)
Tax effect	2,576	2,576
Net of tax amount	(5,000)	(5,000)
Total accumulated other comprehensive loss	$ (4,838)	$ (4,050)