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Stock Compensation Plans (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Compensation expense included in income:
Stock Option	$ 0	$ 0	$ 0
Restricted stock	2,804	3,140	1,054
Long-term compensation plan	922	2,977	(33)
Total expense	$ 3,726	$ 6,117	$ 1,021

X

- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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X

- Definition

The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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The noncash expense that accounts for the value of stock or unit options distributed to employees as compensation.

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