Stockholders' Equity (Accumulated Other Comprehensive (Loss) Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Accumulated Other Comprehensive (Loss) Income [Roll Forward]
Unrealized (Loss) Gain on Securities, beginning balance			$ 6,892
Unrealized (Loss) Gain on Securities, current period change, net of tax			(10,576)
Unrealized (Loss) Gain on Securities, ending balance	(3,973)		(3,973)
Unrecognized Net Pension and Postretirement Costs, beginning balance			(6,238)
Unrecognized Net Pension and Postretirement Costs, current period change, net of tax	34	25	63	50
Unrecognized Net Pension and Postretirement Costs, ending balance	(6,175)		(6,175)
Accumulated Comprehensive (Loss) Income, beginning balance			654
Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Net of Tax			(289)
Other Comprehensive Income (Loss), Reclassification Adjustment in Net Income, Net of Tax			(289)
Accumulated Comprehensive (Loss) Income, current period change, net of tax			(10,513)
Accumulated Comprehensive (Loss) Income, ending balance	$ (10,148)		$ (10,148)