Comprehensive Income (Schedule of Components of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015	Dec. 31, 2014
The components of accumulated other comprehensive income (loss):
Total accumulated other comprehensive income (loss)	$ (3,023)	$ (3,550)	$ (445)	$ (578)
Unrealized Gain (Loss) on Securities Available for Sale [Member]
The components of accumulated other comprehensive income (loss):
Total accumulated other comprehensive income (loss)	(349)	(1,163)	(442)
Deferred tax asset (liability)	136	454	173
Total accumulated other comprehensive income (loss)	(213)	(709)	(269)	(421)
Additional Pension Asset (Liability) [Member]
The components of accumulated other comprehensive income (loss):
Total accumulated other comprehensive income (loss)	(4,606)	(4,657)	(288)
Deferred tax asset (liability)	1,796	1,816	112
Total accumulated other comprehensive income (loss)	$ (2,810)	$ (2,841)	$ (176)	$ (157)

- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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