Accumulated Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	$ 154		$ 3,627		$ (1,225)	[1]	$ 4,631
Other comprehensive income (loss) before reclassifications (net of tax)	986		(4,359)		2,471		(5,234)
Amounts reclassified from accumulated other comprehensive income (loss) (net of tax)	(40)		19		(146)		(110)
Net current period other comprehensive income (loss)	946		(4,340)		2,325		(5,344)
Ending Balance	1,100	[1]	(713)		1,100	[1]	(713)
Unrealized Gains (Loss) On Available For Sale Securities [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	1,264	[1]	5,717	[1]	(108)	[1]	6,754	[1]
Other comprehensive income (loss) before reclassifications (net of tax)	986	[1]	(4,393)	[1]	2,471	[1]	(5,301)	[1]
Amounts reclassified from accumulated other comprehensive income (loss) (net of tax)	(49)	[1]	(65)	[1]	(162)	[1]	(194)	[1]
Net current period other comprehensive income (loss)	937	[1]	(4,458)	[1]	2,309	[1]	(5,495)	[1]
Ending Balance	2,201	[1]	1,259	[1]	2,201	[1]	1,259	[1]
Unrealized Gain (Loss) On Interest Rate Swap [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	0	[1]	(99)	[1]	0	[1]	(132)	[1]
Other comprehensive income (loss) before reclassifications (net of tax)	0	[1]	34	[1]	0	[1]	67	[1]
Amounts reclassified from accumulated other comprehensive income (loss) (net of tax)	0	[1]	0	[1]	0	[1]	0	[1]
Net current period other comprehensive income (loss)	0	[1]	34	[1]	0	[1]	67	[1]
Ending Balance	0	[1]	(65)	[1]	0	[1]	(65)	[1]
Defined Benefit Pension Items [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	(1,110)	[1]	(1,991)	[1]	(1,117)	[1]	(1,991)	[1]
Other comprehensive income (loss) before reclassifications (net of tax)	0	[1]	0	[1]	0	[1]	0	[1]
Amounts reclassified from accumulated other comprehensive income (loss) (net of tax)	9	[1]	84	[1]	16	[1]	84	[1]
Net current period other comprehensive income (loss)	9	[1]	84	[1]	16	[1]	84	[1]
Ending Balance	$ (1,101)	[1]	$ (1,907)	[1]	$ (1,101)	[1]	$ (1,907)	[1]

[1] Amounts in parentheses indicate debits to profit/loss