Accumulated Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Unrealized gains on available for sale securities [Abstract]
Beginning Balance	$ 6,754	[1]
Other Comprehensive Income (loss) before reclassifications (net of tax)	(908)	[1]
Amounts reclassified from accumulated other comprehensive income (net of tax)	(129)	[1]
Net current period other comprehensive income (loss)	(1,037)	[1]
Ending Balance	5,717	[1]
Unrealized loss on interest rate swap [Abstract]
Beginning Balance	(132)	[1]
Other Comprehensive Income before reclassifications (net of tax)	33	[1]
Amounts reclassified from accumulated other comprehensive income (net of tax)	0	[1]
Net current period other comprehensive income	33	[1]
Ending Balance	(99)	[1]
Defined benefit pension items [Abstract]
Beginning Balance	(1,991)	[1]
Other Comprehensive Income before reclassifications (net of tax)	0	[1]
Amounts reclassified from accumulated other comprehensive income (net of tax)	0	[1]
Net current period other comprehensive income	0	[1]
Ending Balance	(1,991)	[1]
Total [Abstract]
Beginning Balance	4,631
Other Comprehensive Income before reclassifications (net of tax)	(875)
Amounts reclassified from accumulated other comprehensive income (net of tax)	(129)
Other comprehensive loss, net of tax	(1,004)		(337)
Ending Balance	3,627
Schedule of amount reclassified from accumulated comprehensive income [Line Items]
Amounts Reclassified from Accumulated Comprehensive Income, Unrealized gains on available for sale securities, Investment securities gains, net	196		108
Amounts Reclassified from Accumulated Comprehensive Income, Unrealized gains on available for sale securities, Provision for income taxes	67		37
Amounts Reclassified from Accumulated Comprehensive Income, Unrealized gains on available for sale securities, Net of tax	(129)	[1]
Investment Securities Gains, Net [Member]
Schedule of amount reclassified from accumulated comprehensive income [Line Items]
Amounts Reclassified from Accumulated Comprehensive Income, Unrealized gains on available for sale securities, Investment securities gains, net	196	[2]
Provision for Income Taxes [Member]
Schedule of amount reclassified from accumulated comprehensive income [Line Items]
Amounts Reclassified from Accumulated Comprehensive Income, Unrealized gains on available for sale securities, Provision for income taxes	(67)	[2]
Net of Tax [Member]
Unrealized gains on available for sale securities [Abstract]
Amounts reclassified from accumulated other comprehensive income (net of tax)	129	[2]
Schedule of amount reclassified from accumulated comprehensive income [Line Items]
Amounts Reclassified from Accumulated Comprehensive Income, Unrealized gains on available for sale securities, Net of tax	$ 129	[2]

[1] Amounts in parentheses indicate debits

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