Income Taxes (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Reconciliation of total provision for income taxes
Income from continuing operations before income taxes, net of amounts attributable to noncontrolling interests			$ 184,191	$ 77,859
Pre-tax income attributable to pass-through subsidiaries			(177,077)	(88,155)
Pre-tax income (loss) attributable to taxable subsidiaries			7,114	(10,296)
Federal provision at statutory tax rate (35%)			2,490	(3,604)
State and local taxes, net of federal benefit			775	(1,122)
Recognition of deferred revenue as a result of the CPA®:16 Merger			4,848	0
Amortization of intangible assets			0	23
Interest			1,739	0
Other			904	(209)
Tax provision - taxable subsidiaries			10,756	(4,912)
Deferred foreign tax benefit (b)			(6,767)	(145)
Current foreign taxes			5,553	7,889
Other state and local taxes			1,633	218
Income tax expense from continuing operations	$ 901	$ 5,391	$ 11,175	$ 3,050
Effective Income Tax Rate Reconciliation, Percent
Income tax rate - federal			35.00%	35.00%
Income tax rate - state and local			10.90%	10.90%
Income tax rate - deferred revenue			68.10%	0.00%
Income tax rate - amortization of intangible assets			0.00%	(0.20%)
Income tax rate - interest			24.40%	0.00%
Income tax rate - other			12.70%	2.00%
Income tax rate - total			151.10%	47.70%