Income Taxes Reconciliation Between Statutory Federal Income Tax Rate and Effective Tax Rate (Details)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
U.S. Statutory Tax Rate	35.00%	35.00%	35.00%
Increase Due to State and Local Taxes	7.00%	6.00%	5.30%
Rate Benefits as a Limited Liability Company/Flow Through	(5.90%)	(4.20%)	(7.00%)
Foreign Taxes	1.50%	0.40%	3.20%
Non-Deductible Expenses (1)	19.90%	1.10%	3.40%
Valuation Allowances	0.00%	0.90%	0.00%
Write Down of Deferred Tax Asset	0.00%	0.00%	6.80%
Other Adjustments	(0.30%)	(0.20%)	(0.70%)
Effective Income Tax Rate	57.20%	39.00%	46.00%