Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Income (Loss) from Continuing Operations before Income Taxes, Domestic	$ 30,874	$ 31,840	$ 31,647
Income Tax Expense (Benefit)	9,079	9,661	9,714
Net Income	21,795	22,179	21,933
Total Reclassifications out of Accumulated Other Comprehensive Income	(589)	(479)	1,151
Reclassification out of Accumulated Other Comprehensive Income [Member] | Unrealized Gains and Losses on Available for Sale Securities
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax	540	865	2,795
Income (Loss) from Continuing Operations before Income Taxes, Domestic	540	865	2,795
Income Tax Expense (Benefit)	(214)	(343)	(1,107)
Net Income	326	522	1,688
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Other Comprehensive Income (Loss), Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service (Cost) Credit, Net of Tax	(2)	20	108
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax	(1,513)	(1,677)	(996)
Income (Loss) from Continuing Operations before Income Taxes, Domestic	(1,515)	(1,657)	(888)
Income Tax Expense (Benefit)	600	656	351
Net Income	$ (915)	$ (1,001)	$ (537)