Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at the beginning of the period	$ 140	$ (3,317)	$ (495)	$ (5,188)
Changes in unrealized securities' holding gain (loss), net of taxes	(1,570)	1,381	(808)	3,252
Reclassified amounts out of accumulated other comprehensive income, net of tax of $65	0	3	(127)	3
Balance at the end of the period	(1,430)	(1,933)	(1,430)	(1,933)
Realized losses (gains) on sale of securities	809	715	416	1,680
Reclassification out of AOCI, tax	65	2	65	2
Realized losses (gains) on sale of securities			(192)	5
Tax expense (benefit) (34%)			65	2
Reclassified amounts out of accumulated other comprehensive income, net of tax of $65	0	3	$ (127)	$ 3
Federal tax rate (percent)			34.00%	34.00%
Unrealized securities gains and losses
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at the beginning of the period	1,648	(2,021)	$ 1,013	$ (3,892)
Changes in unrealized securities' holding gain (loss), net of taxes	(1,570)	1,381	(808)	3,252
Reclassified amounts out of accumulated other comprehensive income, net of tax of $65	0	3	(127)	3
Balance at the end of the period	78	(637)	78	(637)
Reclassified amounts out of accumulated other comprehensive income, net of tax of $65	0	3	(127)	3
Pension and post- retirement costs
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at the beginning of the period	(1,508)	(1,296)	(1,508)	(1,296)
Changes in unrealized securities' holding gain (loss), net of taxes	0	0	0	0
Reclassified amounts out of accumulated other comprehensive income, net of tax of $65	0	0	0	0
Balance at the end of the period	(1,508)	(1,296)	(1,508)	(1,296)
Reclassified amounts out of accumulated other comprehensive income, net of tax of $65	$ 0	$ 0	$ 0	$ 0