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Stock-Based Compensation Plans and Employee Benefits (Details 4) (Restricted stock units, USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Restricted stock units
Number of Shares
Non-vested, beginning balance (in shares)	9,985,000
Granted (in shares)	0
Vested (in shares)	(4,595,000)
Forfeited (in shares)	(114,000)
Non-vested, ending balance (in shares)	5,276,000
Weighted Average Grant Date Fair Value Per Share
Non-vested, beginning balance, Weighted Average Grant Date Fair Value (in dollars per share)	$ 4.70
Granted, Weighted Average Grant Date Fair Value (in dollars per share)	$ 0.00
Vested, Weighted Average Grant Date Fair Value (in dollars per share)	$ 4.06
Forfeited, Weighted Average Grant Date Fair Value (in dollars per share)	$ 5.99
Non-vested, ending balance, Weighted Average Grant Date Fair Value (in dollars per share)	$ 5.24
Aggregate Intrinsic Value	$ 43,000

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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