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Incentive Compensation Plan Incentive Compensation Plan - Restricted Stock Awards Estimated to be Granted on a Performance Award (Details) - shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 Months Ended | 12 Months Ended
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Jun. 26, 2015 | Feb. 20, 2015 | Feb. 20, 2015 | Feb. 05, 2015 | Jan. 15, 2015 | Nov. 18, 2014 | Apr. 08, 2014 | Mar. 25, 2014 | Mar. 05, 2014 | Jan. 01, 2014 | Aug. 16, 2013 | May. 31, 2013 | Mar. 01, 2013 | Jan. 28, 2013 | Jan. 02, 2012 | Apr. 01, 2011 | Feb. 24, 2012 | Nov. 21, 2011 | Jan. 17, 2011 | Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Target Award Participants Earn |  |  |  |  |  |  |  |  |  |  |  |  |  | 40.00% |  |  | 40.00% |  | 40.00% |
Performance Shares Awards As Percentage Of Target |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  | 100.00% |  | 100.00% |
Percentage Of Target Award Opportunities Maximum In Certain Cases |  |  |  |  |  |  |  |  |  |  |  |  |  | 200.00% |  |  | 200.00% |  | 200.00% |
Vesting period of restricted stock |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year |  |  | 1 year |  | 1 year | 10 years
Performance Based Stock Awards Vesting Period |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years |  |  | 3 years |  | 3 years |
Restricted Stock [Member] | Executive [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued to executive | 1,000 | 34,200 | 10,000 |  | 20,000 | 3,500 | 27,500 | 46,000 | 5,000 | 12,626 | 3,000 | 45,000 | 10,000 | 128,611,000 | 100,000 | 25,000 | 68,000,000 | 10,000 | 54,166,000 |
Restricted Stock [Member] | Executive [Member] | Long Term Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued to executive |  |  |  | 50,000 |  |  |  |  |  |  |  |  |  |  |  |  | 34,000 |  |  |

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- Definition Percentage Of Target Award Opportunities Maximum In Certain Cases + References No definition available. + Details
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- Definition Performance Based Stock Awards Vesting Period + References No definition available. + Details
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- Definition Performance Shares Awards As Percentage Of Target + References No definition available. + Details
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- Definition Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Target Award Participants Earn + References No definition available. + Details
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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Number of share instruments newly issued under a share-based compensation 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 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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