Employee Benefit Plans (Other Postretirement Defined Benefit Plans) (Details) (Other Postretirement Defined Benefit Plans [Member], USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2006
Other Postretirement Defined Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Eligible age for grandfathering provision at plan amendment to freeze plan				40 years
Eligible vesting service period for grandfathering provision at plan amendment to freeze plan				10 years
Change in Benefit Obligation
Benefit obligation at beginning of year	$ 1,138,000	$ 1,377,000
Service cost	0	0	0
Interest cost	55,000	57,000	63,000
Net actuarial (gain)/loss	(15,000)	(223,000)
Plan participant contributions	82,000	81,000
Benefits paid	(175,000)	(154,000)
Benefit obligation at end of year	1,085,000	1,138,000	1,377,000
Change in Plan Assets
Employer contributions	93,000	73,000
Plan participant contributions	82,000	81,000
Benefits paid	(175,000)	(154,000)
Fair value of plan assets at end of year	0	0
Funded Status at End of Year	(1,085,000)	(1,138,000)
Amounts Recognized in the Consolidated Balance Sheets
Other Liabilities	1,085,000	1,138,000
Amounts Recognized in Accumulated Other Comprehensive Income
Net actuarial loss	(147,000)	(138,000)
Prior service cost	(12,000)	(16,000)
Net amount recognized	(159,000)	(154,000)
Weighted-Average Plan Assumptions at End of Year
Discount rate	4.50%	5.10%
Net Periodic Benefit Cost/(Income)
Service cost	0	0	0
Interest cost	55,000	57,000	63,000
Amortization of prior service cost	(10,000)	(4,000)	(4,000)
Amortization of net actuarial loss	0	0	0
Net periodic benefit cost	45,000	53,000	59,000
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income
Net actuarial loss/(gain)	(15,000)	(223,000)	(84,000)
Amortization of prior service credit	10,000	4,000	4,000
Total recognized in other comprehensive loss/(income)	(5,000)	(219,000)	(80,000)
Total Recognized in Net Periodic Pension Cost and Other Comprehensive Loss	40,000	(166,000)	(21,000)
Amounts to be Amortized from Accumulated Other Comprehensive Income/(Loss) into Net Periodic Benefit Cost over Next Year
Net (gain) loss to be amortized from accumulated other comprehensive income/(loss) into net periodic benefit cost over the next year	(5,000)
Prior service credit to be amortized from accumulated other comprehensive income/(loss) into net periodic benefit cost over the next year	4,000
Expected Future Employer Contributions to Benefit Plans
Expected contribution to benefit plan	0
Estimated Future Benefit Payments
Estimated benefit payments in 2015	60,000
Estimated benefit payments in 2016	60,000
Estimated benefit payments in 2017	70,000
Estimated benefit payments in 2018	70,000
Estimated benefit payments in 2019	60,000
Estimated benefit payments in 2020 through 2024	$ 350,000