Accumulated Other Comprehensive Loss (Amounts Reclassified out of Each Component of Accumulated Other Comprehensive Loss) (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
Unrealized gains and losses on sale of securities:
Net realized gains on available for sale securities	$ (120)				$ (177)		$ (71)
Provision for income tax expense	41				60		24
Net of tax	(79)				(117)		(47)
Amortization of defined benefit items
Estimated net loss		[1]	341	[1]		[1]	682	[1]
Prior service cost		[1]	(5)	[1]		[1]	(10)	[1]
Transition asset		[1]	(2)	[1]		[1]	(4)	[1]
Total before tax		[1]	334	[1]		[1]	668	[1]
Provision for income tax expense		[1]	(114)	[1]		[1]	(228)	[1]
Net of tax		[1]	220	[1]		[1]	440	[1]
Total reclassifications for the period	$ (79)	[1]	$ 220	[1]	$ (117)	[1]	$ 393	[1]

[1] These accumulated other comprehensive loss components are included in the computation of net periodic benefit cost (see Note 16 for additional details).