Employee Benefit Plans (Components of Net Periodic Pension Cost) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Employee Benefit Plans [Abstract]
Service cost during the year	$ 222	$ 192	$ 186
Interest cost on projected benefit obligation	451	479	473
Expected return on plan assets	(591)	(631)	(570)
Net amortization	56	(2)	(2)
Recognized net actuarial loss	296	152	127
Net periodic benefit cost	434	190	214
Net loss (gain)	(952)	1,990	554
Amortization of net loss	(296)	(152)	(127)
Net (accretion) amortization	(56)	2	2
Total recognized in other comprehensive loss (income)	(1,304)	1,840	429
Total recognized in net periodic benefit cost and other comprehensive loss (income)	$ (870)	$ 2,030	$ 643

Defined Benefit Plans Net Periodic Benefit Cost And Other Comprehensive Loss (Income) Total Recognized

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The amount of gains or losses recognized in net periodic benefit cost.

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Before tax amount, net of reclassification adjustments, of the (increase) decrease in the value of the projected benefit obligation and the increase (decrease) in the value of the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption that has not been recognized in net periodic benefit cost.

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An amount calculated as a basis for determining the extent of delayed recognition of the effects of changes in the fair value of assets. The expected return on plan assets is determined based on the expected long-term rate of return on plan assets and the market-related value of plan assets.

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The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

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The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments.

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Amount of other defined benefit plan costs.

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The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan.

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Before tax amount of the income statement impact of the reclassification adjustment for actuarial gain (loss) recognized as a component of net periodic benefit cost.

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