Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Net Income	$ 5,524		$ 5,207		$ 10,844		$ 10,388
Other comprehensive income, before reclassifications, net of tax	514	[1]	(3,643)	[1]	755	[1]	(3,423)	[1]
Reclassification from Accumulated Other Comprehensive Income, net of tax	72	[1]	228	[1]	129	[1]	146	[1]
Other Comprehensive Income (Loss)	586		(3,415)		884		(3,277)
Comprehensive Income	6,110		1,792		11,728		7,111
Unrealized Gains and Losses on Available for Sale Securities [Member]
Other comprehensive income, before reclassifications, net of tax	514	[1]	(3,643)	[1]	755	[1]	(3,423)	[1]
Reclassification from Accumulated Other Comprehensive Income, net of tax	16	[1]	(8)	[1]	16	[1]	(326)	[1]
Amortization of Net Retirement Plan Actuarial Loss [Member]
Other comprehensive income, before reclassifications, net of tax	0	[1]	0	[1]	0	[1]	0	[1]
Reclassification from Accumulated Other Comprehensive Income, net of tax	69	[1]	236	[1]	139	[1]	472	[1]
Accretion of Net Retirement Plan Prior Service Credit [Member]
Other comprehensive income, before reclassifications, net of tax	0	[1]	0	[1]	0	[1]	0	[1]
Reclassification from Accumulated Other Comprehensive Income, net of tax	$ (13)	[1]	$ 0	[1]	$ (26)	[1]	$ 0	[1]

[1] All amounts are net of tax. Amounts in parentheses indicate debits.