Employee Benefit Plans (Cash-Settleable RSU Awards) (Details) (USD $) In Thousands, unless otherwise specified
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12 Months Ended |
Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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Defined Benefit Plan Disclosure [Line Items] |
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Payments to settle vested liability share-based awards |
$ 3,383
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$ 0
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$ 0
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Cash-settleable RSU awards [Member]
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Defined Benefit Plan Disclosure [Line Items] |
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Cash-Settleable Awards, Base Units, Liability, Outstanding |
989
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Cash-Settleable Awards, Base Units, Actual Units Vested During Period |
144
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Potential Minimum Units at Vesting [Member]
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Defined Benefit Plan Disclosure [Line Items] |
|
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Cash-Settleable Awards, Number of Units Vesting Range, of Base Units Awarded |
0.00%
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Potential Minimum Units at Vesting [Member] | Cash-settleable RSU awards [Member]
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Defined Benefit Plan Disclosure [Line Items] |
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Cash-Settleable Awards, Base Units, Liability, Outstanding |
213
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Potential Maximum Units at Vesting [Member]
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Defined Benefit Plan Disclosure [Line Items] |
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Cash-Settleable Awards, Number of Units Vesting Range, of Base Units Awarded |
200.00%
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Potential Maximum Units at Vesting [Member] | Cash-settleable RSU awards [Member]
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Defined Benefit Plan Disclosure [Line Items] |
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Cash-Settleable Awards, Base Units, Liability, Outstanding |
1,632
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Vesting in 2013 [Member] | Cash-settleable RSU awards [Member]
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Defined Benefit Plan Disclosure [Line Items] |
|
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Cash-Settleable Awards, Base Units, Liability, Outstanding |
348
|
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Vesting in 2013 [Member] | Potential Minimum Units at Vesting [Member] | Cash-settleable RSU awards [Member]
|
|
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Defined Benefit Plan Disclosure [Line Items] |
|
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Cash-Settleable Awards, Base Units, Liability, Outstanding |
79
|
|
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Vesting in 2013 [Member] | Potential Maximum Units at Vesting [Member] | Cash-settleable RSU awards [Member]
|
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Defined Benefit Plan Disclosure [Line Items] |
|
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Cash-Settleable Awards, Base Units, Liability, Outstanding |
483
|
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Vesting in 2014 [Member] | Cash-settleable RSU awards [Member]
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Defined Benefit Plan Disclosure [Line Items] |
|
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Cash-Settleable Awards, Base Units, Liability, Outstanding |
569
|
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Vesting in 2014 [Member] | Potential Minimum Units at Vesting [Member] | Cash-settleable RSU awards [Member]
|
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Defined Benefit Plan Disclosure [Line Items] |
|
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Cash-Settleable Awards, Base Units, Liability, Outstanding |
62
|
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Vesting in 2014 [Member] | Potential Maximum Units at Vesting [Member] | Cash-settleable RSU awards [Member]
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Defined Benefit Plan Disclosure [Line Items] |
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Cash-Settleable Awards, Base Units, Liability, Outstanding |
1,077
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Vesting in 2015 [Member] | Cash-settleable RSU awards [Member]
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Defined Benefit Plan Disclosure [Line Items] |
|
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Cash-Settleable Awards, Base Units, Liability, Outstanding |
72
|
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Vesting in 2015 [Member] | Potential Minimum Units at Vesting [Member] | Cash-settleable RSU awards [Member]
|
|
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Defined Benefit Plan Disclosure [Line Items] |
|
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Cash-Settleable Awards, Base Units, Liability, Outstanding |
72
|
|
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Vesting in 2015 [Member] | Potential Maximum Units at Vesting [Member] | Cash-settleable RSU awards [Member]
|
|
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Defined Benefit Plan Disclosure [Line Items] |
|
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Cash-Settleable Awards, Base Units, Liability, Outstanding |
72
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Other [Member] | Cash-settleable RSU awards [Member]
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Defined Benefit Plan Disclosure [Line Items] |
|
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Cash-Settleable Awards, Base Units, Liability, Outstanding |
0
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Other [Member] | Potential Minimum Units at Vesting [Member] | Cash-settleable RSU awards [Member]
|
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Defined Benefit Plan Disclosure [Line Items] |
|
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Cash-Settleable Awards, Base Units, Liability, Outstanding |
0
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Other [Member] | Potential Maximum Units at Vesting [Member] | Cash-settleable RSU awards [Member]
|
|
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Defined Benefit Plan Disclosure [Line Items] |
|
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Cash-Settleable Awards, Base Units, Liability, Outstanding |
0
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Total Base Units Vested During 2012 [Member] | Cash-settleable RSU awards [Member]
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Defined Benefit Plan Disclosure [Line Items] |
|
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Cash-Settleable Awards, Base Units Issued |
364
|
|
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Cash-Settleable Awards, Base Units, Actual Units Vested During Period |
546
|
|
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Payments to settle vested liability share-based awards |
2,626
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Total Cash-Settleable (Officer 15%) RSU Vested [Member] | Cash-settleable RSU awards [Member]
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Defined Benefit Plan Disclosure [Line Items] |
|
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Payments to settle vested liability share-based awards |
$ 757
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