Accumulated Comprehensive 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
Unrealized gain (loss) on available for sale securities [Abstract]
Beginning Balance	$ 5,717	[1]		$ 6,754	[1]
Other comprehensive income (loss) before reclassifications (net of tax)	(4,393)	[1]		(5,301)	[1]
Amounts reclassified from accumulated other comprehensive income (loss) (net of tax)	(65)	[1]		(194)	[1]
Net current period other comprehensive income (loss)	(4,458)	[1]		(5,495)	[1]
Ending Balance	1,259	[1]		1,259	[1]
Unrealized gain (loss) on interest rate swap [Abstract]
Beginning Balance	(99)	[1]		(132)	[1]
Other Comprehensive Income before reclassifications (net of tax)	34	[1]		67	[1]
Amounts reclassified from accumulated other comprehensive income (net of tax)	0	[1]		0	[1]
Net current period other comprehensive income	34	[1]		67	[1]
Ending Balance	(65)	[1]		(65)	[1]
Defined benefit pension items [Abstract]
Beginning Balance	(1,991)	[1]		(1,991)	[1]
Other Comprehensive Income before reclassifications (net of tax)	0	[1]		0	[1]
Amounts reclassified from accumulated other comprehensive income (net of tax)	84	[1]		84	[1]
Net current period other comprehensive income	84	[1]		84	[1]
Ending Balance	(1,907)	[1]		(1,907)	[1]
Total [Abstract]
Beginning Balance	3,627			4,631
Other Comprehensive Income before reclassifications (net of tax)	(4,359)			(5,234)
Amounts reclassified from accumulated other comprehensive income (net of tax)	19			(110)
Other comprehensive income (loss), net of tax	(4,340)		378	(5,344)		41
Ending Balance	(713)			(713)
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	98		213	294		321
Amounts reclassified from accumulated comprehensive income, Unrealized gains on available for sale securities, Provision for income taxes	(17)		(15)	(34)		(23)
Amounts reclassified from accumulated comprehensive income, Unrealized gains on available for sale securities, Net of tax	(65)	[1]		(194)	[1]
Amounts reclassified from accumulated comprehensive income, Defined benefit pension items, Net of tax	0	[1]		0	[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	98	[2]		294	[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	(33)	[2]		(100)	[2]
Amounts reclassified from accumulated comprehensive income, Defined benefit pension items, Provision for income taxes	44	[2]		44	[2]
Salaries and employee benefits [Member]
Schedule of amount reclassified from accumulated comprehensive income [Line Items]
Amounts reclassified from accumulated comprehensive income, defined benefit pension items, Salaries and employee benefits	(128)	[2]		(128)	[2]
Net of Tax [Member]
Unrealized gain (loss) on available for sale securities [Abstract]
Amounts reclassified from accumulated other comprehensive income (loss) (net of tax)	65	[2]		194	[2]
Defined benefit pension items [Abstract]
Other Comprehensive Income before reclassifications (net of tax)	(84)	[2]		(84)	[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	65	[2]		194	[2]
Amounts reclassified from accumulated comprehensive income, Defined benefit pension items, Net of tax	$ (84)	[2]		$ (84)	[2]

[1] Amounts in parentheses indicate debits

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