Employee Benefit Plans (Changes in Benefit Obligation, Fair Value of Assets and Funded Status) (Details) (USD $) In Thousands, unless otherwise specified					12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2013 Pension benefits	Dec. 31, 2012 Pension benefits	Dec. 31, 2011 Pension benefits	Dec. 31, 2013 Other Postretirement Benefit Plans, Defined Benefit [Member]	Dec. 31, 2012 Other Postretirement Benefit Plans, Defined Benefit [Member]	Dec. 31, 2011 Other Postretirement Benefit Plans, Defined Benefit [Member]	Dec. 31, 2013 Common Stock	Dec. 31, 2012 Common Stock	Dec. 31, 2013 Mutual funds - equity	Dec. 31, 2012 Mutual funds - equity	Dec. 31, 2013 Mortgage-backed securities	Dec. 31, 2012 Mortgage-backed securities	Dec. 31, 2013 States and political subdivisions	Dec. 31, 2012 States and political subdivisions	Dec. 31, 2013 Corporate bonds	Dec. 31, 2012 Corporate bonds	Dec. 31, 2013 Mutual funds - taxable income	Dec. 31, 2012 Mutual funds - taxable income	Dec. 31, 2013 Quoted Prices in Active Markets for Identical Assets (Level 1) Recurring Basis	Dec. 31, 2012 Quoted Prices in Active Markets for Identical Assets (Level 1) Recurring Basis	Dec. 31, 2013 Quoted Prices in Active Markets for Identical Assets (Level 1) Recurring Basis Common Stock	Dec. 31, 2012 Quoted Prices in Active Markets for Identical Assets (Level 1) Recurring Basis Common Stock	Dec. 31, 2013 Quoted Prices in Active Markets for Identical Assets (Level 1) Recurring Basis Mutual funds - equity	Dec. 31, 2012 Quoted Prices in Active Markets for Identical Assets (Level 1) Recurring Basis Mutual funds - equity	Dec. 31, 2013 Quoted Prices in Active Markets for Identical Assets (Level 1) Recurring Basis Mortgage-backed securities	Dec. 31, 2012 Quoted Prices in Active Markets for Identical Assets (Level 1) Recurring Basis Mortgage-backed securities	Dec. 31, 2013 Quoted Prices in Active Markets for Identical Assets (Level 1) Recurring Basis States and political subdivisions	Dec. 31, 2012 Quoted Prices in Active Markets for Identical Assets (Level 1) Recurring Basis States and political subdivisions	Dec. 31, 2013 Quoted Prices in Active Markets for Identical Assets (Level 1) Recurring Basis Corporate bonds	Dec. 31, 2012 Quoted Prices in Active Markets for Identical Assets (Level 1) Recurring Basis Corporate bonds	Dec. 31, 2013 Quoted Prices in Active Markets for Identical Assets (Level 1) Recurring Basis Mutual funds - taxable income	Dec. 31, 2012 Quoted Prices in Active Markets for Identical Assets (Level 1) Recurring Basis Mutual funds - taxable income	Dec. 31, 2013 Significant Other Observable Inputs (Level 2) Recurring Basis	Dec. 31, 2012 Significant Other Observable Inputs (Level 2) Recurring Basis	Dec. 31, 2013 Significant Other Observable Inputs (Level 2) Recurring Basis Common Stock	Dec. 31, 2012 Significant Other Observable Inputs (Level 2) Recurring Basis Common Stock	Dec. 31, 2013 Significant Other Observable Inputs (Level 2) Recurring Basis Mutual funds - equity	Dec. 31, 2012 Significant Other Observable Inputs (Level 2) Recurring Basis Mutual funds - equity	Dec. 31, 2013 Significant Other Observable Inputs (Level 2) Recurring Basis Mortgage-backed securities	Dec. 31, 2012 Significant Other Observable Inputs (Level 2) Recurring Basis Mortgage-backed securities	Dec. 31, 2013 Significant Other Observable Inputs (Level 2) Recurring Basis States and political subdivisions	Dec. 31, 2012 Significant Other Observable Inputs (Level 2) Recurring Basis States and political subdivisions	Dec. 31, 2013 Significant Other Observable Inputs (Level 2) Recurring Basis Corporate bonds	Dec. 31, 2012 Significant Other Observable Inputs (Level 2) Recurring Basis Corporate bonds	Dec. 31, 2013 Significant Other Observable Inputs (Level 2) Recurring Basis Mutual funds - taxable income	Dec. 31, 2012 Significant Other Observable Inputs (Level 2) Recurring Basis Mutual funds - taxable income
Change in benefit obligation:
Beginning balance					$ 17,306	$ 16,505		$ 244	$ 224
Interest cost					543	599	724	5	10	12
Plan participants’ contributions					0	0		40	54
Actuarial loss					(2,333)	1,863		(85)	42
Benefit payments					(154)	(169)		(61)	(86)
Settlements					(639)	(1,492)		0	0
Ending balance					14,723	17,306	16,505	143	244	224
Accumulated benefit obligation at December 31					14,723	17,306		0	0
Change in plan assets:
Beginning balance	10,867	9,596			10,019	10,409		0	0		0	0	8,863	7,545	97	157	649	932	357	363	901	599	10,121	8,507	0	0	8,863	7,545	0	0	0	0	357	363	901	599	746	1,089	0	0	0	0	97	157	649	932	0	0	0	0
Actual return on plan assets					2,061	1,271		0	0
Employer contributions					0	0		21	32
Plan participants’ contributions					0	0		40	54
Benefit payments					(154)	(169)		(61)	(86)
Settlements					(639)	(1,492)		0	0
Ending balance	10,867	9,596			11,287	10,019	10,409	0	0	0	0	0	8,863	7,545	97	157	649	932	357	363	901	599	10,121	8,507	0	0	8,863	7,545	0	0	0	0	357	363	901	599	746	1,089	0	0	0	0	97	157	649	932	0	0	0	0
Funded status at December 31					(3,436)	(7,287)		(143)	(244)
Amounts recognized in Consolidated Balance Sheets:
Prepaid benefit costs					0	0		0	0
Accrued benefit liability					(3,436)	(7,287)		(143)	(244)
Net amount recognized					(3,436)	(7,287)		(143)	(244)
Amounts recognized in Accumulated Other Comprehensive Income (Loss):
Unrecognized prior service cost					0	0		(2)	2
Unrecognized net loss					3,533	6,260		(65)	15
Total	$ (3,483)	$ (6,238)	$ (6,027)	$ (2,415)	$ 3,533	$ 6,260		$ (67)	$ 17
Discount Rate					4.30%	3.30%		4.30%	3.30%