Employee Benefit Plans (SERP) (Details) (SERP [Member], USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Change in Benefit Obligation
Benefit obligation at beginning of year	$ 1,980,000	$ 2,057,000
Service cost	0	0	189,000
Interest cost	107,000	137,000	120,000
Amendments to plan	0	0
Net actuarial loss	(457,000)	60,000
Benefits paid	(285,000)	(274,000)
Benefit obligation at end of year	1,345,000	1,980,000	2,057,000
Change in Plan Assets
Employer contributions	285,000	274,000
Benefits paid	(285,000)	(274,000)
Fair value of plan assets at end of year	0	0
Funded Status at End of Year	(1,345,000)	(1,980,000)
Amounts Recognized in the Consolidated Balance Sheets
Other Liabilities	1,345,000	1,980,000
Amounts Recognized in Accumulated Other Comprehensive Income
Net actuarial loss	(1,002,000)	(594,000)
Prior service cost	155,000	187,000
Net amount recognized	(847,000)	(407,000)
Weighted-Average Plan Assumptions at End of Year
Discount rate	7.00%	4.75%
Net Periodic Benefit Cost/(Income)
Service cost	0	0	189,000
Interest cost	107,000	137,000	120,000
Amortization of prior service cost	31,000	48,000	48,000
Amortization of net actuarial loss	(48,000)	(108,000)	(37,000)
Net periodic benefit cost	90,000	77,000	320,000
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income
Net actuarial loss/(gain)	(409,000)	168,000	(621,000)
Amortization of prior service credit	(31,000)	(48,000)	(48,000)
Total recognized in other comprehensive loss/(income)	(440,000)	120,000	(669,000)
Total Recognized in Net Periodic Pension Cost and Other Comprehensive Loss	(350,000)	197,000	(349,000)
Amounts to be Amortized from Accumulated Other Comprehensive Income/(Loss) into Net Periodic Benefit Cost over Next Year
Net gain to be amortized from accumulated other comprehensive income/(loss) into net periodic benefit cost over the next year	1,002,000
Prior service cost to be amortized from accumulated other comprehensive income/(loss) into net periodic benefit cost over the next year	155,000
Expected Future Employer Contributions to Benefit Plans
Expected contribution to benefit plan	0
Estimated Future Benefit Payments
Estimated benefit payments in 2013	1,100,000
Estimated benefit payments in 2014	0
Estimated benefit payments in 2015	0
Estimated benefit payments in 2016	0
Estimated benefit payments in 2017	0
Estimated benefit payments in 2018 and thereafter	$ 0
Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected lum sum cash distribution period after plan termination	1 year
Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected lum sum cash distribution period after plan termination	2 years