INCOME TAXES AND RELATED PAYMENTS (Tables)

12 Months Ended

Dec. 31, 2015

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense

Income tax expense from operations consisted of the following:

	Year Ended December 31,
	2015			2014			2013
Current:
U.S. federal income tax	$	1,478		$	4,128		$	5,516
State and local income tax	1,650			(372		)	5,148
Foreign income tax	2,621			2,245			3,195
	$	5,749		$	6,001		$	13,859
Deferred:
U.S. federal income tax	$	11,306		$	12,544		$	11,253
State and local income tax	786			1,836			1,120
Foreign income tax	(292		)	(1,845		)	—
	$	11,800		$	12,535		$	12,373
Total:
U.S. federal income tax	$	12,784		$	16,672		$	16,769
State and local income tax	2,436			1,464			6,268
Foreign income tax	2,329			400			3,195
Income tax expense	$	17,549		$	18,536		$	26,232

Schedule of Income before Income Tax, Domestic and Foreign

The Company’s income (loss) before income taxes consisted of the following:

	Year Ended December 31,
	2015			2014			2013
Domestic income (loss) before income taxes	$	(1,518,108	)	$	2,195,174		$	6,233,758
Foreign income (loss) before income taxes	2,695			(1,086		)	3,206
Total income (loss) before income taxes	$	(1,515,413	)	$	2,194,088		$	6,236,964

Schedule of Effective Income Tax Rate Reconciliation

The Company’s effective tax rate differed from the federal statutory rate for the following reasons:

	Year Ended December 31,
	2015		2014		2013
Income tax expense at federal statutory rate	35.00	%	35.00	%	35.00	%
Income passed through	(35.91	)	(34.15	)	(34.69	)
State and local taxes, net of federal benefit	(0.17	)	0.05		0.09
Foreign taxes	(0.09	)	0.04		0.03
Other, net	0.01		(0.10	)	(0.01	)
Total effective rate	(1.16	)%	0.84	%	0.42	%

Schedule of Deferred Tax Assets and Liabilities

The components of the Company’s deferred tax assets and liabilities were as follows:

	As of December 31,
	2015		2014		2013
Deferred tax assets:
Investment in partnerships	$	414,142	$	351,962	$	277,039
Equity-based compensation expense	3,773		5,514		3,695
Other, net	9,675		3,071		1,822
Total deferred tax assets	427,590		360,547		282,556
Total deferred tax liabilities	1,792		3,183		3,671
Net deferred tax assets before valuation allowance	425,798		357,364		278,885
Valuation allowance	—		—		—
Net deferred tax assets	$	425,798	$	357,364	$	278,885

Schedule of Unrecognized Tax Benefits Roll Forward

The following is a reconciliation of unrecognized tax benefits (excluding interest and penalties thereon):

	Year Ended December 31,
	2015			2014			2013
Unrecognized tax benefits, January 1	$	5,575		$	10,390		$	9,472
Additions for tax positions related to the current year	1,156			1,492			1,633
Additions for tax positions related to prior years	109			—			1,029
Reductions for tax positions related to prior years	—			(1,373		)	(806		)
Settlements	—			(3,657		)	—
Lapse in statute of limitations	(1,884		)	(1,277		)	(938		)
Unrecognized tax benefits, December 31	$	4,956		$	5,575		$	10,390