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Income Taxes Reconciliation of effective tax rate (Details) | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract] |  |  |
Statutory Federal rate | 35.00% | 35.00% | 35.00%
Increase (decrease) resulting from: |  |  |
Change in valuation allowance | (86.40%) | (26.90%) | (30.30%)
Change in uncertain tax positions | 56.20% | (9.00%) | (9.80%)
Executive life insurance | 2.40% | 2.30% | 5.10%
State and local taxes, net | 10.40% | 2.80% | 3.20%
Effective income tax rate reconciliation, alternative minimum tax | 7.60% | 0.00% | 0.00%
Meals & entertainment | 11.60% | (2.60%) | (1.90%)
Provision to return differences | 24.40% | (3.20%) | 1.50%
Effective Income Tax Rate Reconciliation, Tax Settlement, Foreign, Percent | 17.90% | (2.20%) | (1.10%)
Other items, net | (4.90%) | (0.10%) | 0.30%
Provision for income taxes | 74.20% | (3.90%) | 2.00%

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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