Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Dec. 31, 2012
The components of accumulated other comprehensive income (loss):
Total accumulated other comprehensive income (loss)	$ 1,932	$ 1,900	$ (3,393)	$ (176)
Unrealized Gain (Loss) on Securities Available for Sale [Member]
The components of accumulated other comprehensive income (loss):
Total accumulated other comprehensive income (loss)	(1,803)	(2,021)	(2,018)
Deferred tax asset (liability)	704	789	787
Total accumulated other comprehensive income (loss)	(1,099)	(1,232)	(1,231)	2,007
Additional Pension Asset (Liability) [Member]
The components of accumulated other comprehensive income (loss):
Total accumulated other comprehensive income (loss)	4,969	5,135	(3,545)
Deferred tax asset (liability)	(1,938)	(2,003)	1,383
Total accumulated other comprehensive income (loss)	$ 3,031	$ 3,132	$ (2,162)	$ (2,183)