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Income Taxes Income Tax Rate (Details) | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Income Tax Disclosure [Abstract] |  |  |
Effective income tax rate reconciliation goodwill | 0.00% | 0.00% | 7.00%
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract] |  |  |
Statutory federal tax rate | 35.00% | (35.00%) | (35.00%)
State income and foreign taxes, net of federal tax effect | 8.00% | 50.00% | 3.00%
Foreign tax credit | 0.00% | (49.00%) | (3.00%)
Noncontrolling interests in operating subsidiaries | 1.00% | 1.00% | (1.00%)
Non deductible permanent items | 3.00% | 0.00% | 0.00%
Expired net operating loss carryforwards | 0.00% | 0.00% | 1.00%
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent | 102.00% | (0.00%) | (0.00%)
Valuation allowance | (137.00%) | 83.00% | 31.00%
Total | 12.00% | 50.00% | 3.00%

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