Other Comprehensive Income (Loss) and Accumulated Other Comprehensive Income (Loss) (Components of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Before-Tax Amount	$ 1,107		$ (250)
Income Tax Effect	(460)		23
Net-of-Tax Amount	647	$ (130)	(227)
Unrealized holding gains on available for sale securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Before-Tax Amount	1,460		(192)
Income Tax Effect	(570)		31
Net-of-Tax Amount	890		(161)
Unrealized impairment (loss) on held to maturity security [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Before-Tax Amount	(501)		(501)
Income Tax Effect	170		170
Net-of-Tax Amount	(331)		(331)
Changes from plan actuarial gains and losses included in other comprehensive income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Before-Tax Amount	148		443
Income Tax Effect	(60)		(178)
Net-of-Tax Amount	$ 88		$ 265