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Stock-Based Compensation (Schedule of Performance Unit Awards) (Details) (Performance Shares [Member], USD $) In Thousands, except Share data, unless otherwise specified | 6 Months Ended
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Jun. 30, 2013
Incentive Plan, 2011-2013 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Grant Date | March 15, 2011
Units | 34,002
Grant Date Fair Value | $ 38.46
Aggregate Fair Value | $ 1,308
Incentive Plan, 2012-2014 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Grant Date | March 6, 2012
Units | 43,042
Grant Date Fair Value | $ 27.49
Aggregate Fair Value | 1,183
Incentive Plan, 2013-2015 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Grant Date | February 27, 2013
Units | 31,418
Grant Date Fair Value | $ 42.49
Aggregate Fair Value | $ 1,335

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- Definition Fair value of equity-based compensation awards outstanding. + References No definition available. + Details
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- Definition Grant date of stock-based compensation. + References No definition available. + Details
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- Definition 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). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition 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). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Details
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