Accumulated Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	$ 767		$ (1,225)
Other comprehensive income before reclassifications (net of tax)	887		1,485
Amounts reclassified from accumulated other comprehensive income (net of tax)	(51)		(106)
Net current period other comprehensive income	836		1,379
Ending Balance	1,603		154
Unrealized Gains (Loss) On Available For Sale Securities [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	3,093	[1]	(108)	[1]
Other comprehensive income before reclassifications (net of tax)	887	[1]	1,485	[1]
Amounts reclassified from accumulated other comprehensive income (net of tax)	(83)	[1]	(113)	[1]
Net current period other comprehensive income	804	[1]	1,372	[1]
Ending Balance	3,897	[1]	1,264	[1]
Defined Benefit Pension Items [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	(2,326)	[1]	(1,117)	[1]
Other comprehensive income before reclassifications (net of tax)	0	[1]	0	[1]
Amounts reclassified from accumulated other comprehensive income (net of tax)	32	[1]	7	[1]
Net current period other comprehensive income	32	[1]	7	[1]
Ending Balance	$ (2,294)	[1]	$ (1,110)	[1]

[1] Amounts in parentheses indicate debits