Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Net Income		$ 6,305	$ 5,524	$ 12,160	$ 10,844
Other comprehensive income, before reclassifications, net of tax	[1]	(1,014)	514	(159)	755
Reclassification from Accumulated Other Comprehensive Income, net of tax	[1]	99	72	154	129
Other Comprehensive Income (Loss)		(915)	586	(5)	884
Comprehensive Income		5,390	6,110	12,155	11,728
Unrealized Gains and Losses on Available for Sale Securities [Member]
Other comprehensive income, before reclassifications, net of tax		(1,014)	514	(159)	755
Reclassification from Accumulated Other Comprehensive Income, net of tax		(10)	16	(65)	16
Amortization of Net Retirement Plan Actuarial Loss [Member]
Other comprehensive income, before reclassifications, net of tax	[1]	0	0	0	0
Reclassification from Accumulated Other Comprehensive Income, net of tax		118	69	235	139
Accretion of Net Retirement Plan Prior Service Credit [Member]
Other comprehensive income, before reclassifications, net of tax	[1]	0	0	0	0
Reclassification from Accumulated Other Comprehensive Income, net of tax		$ (9)	$ (13)	$ (16)	$ (26)

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