Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Schedule of (Benefit from) Provision for Income Taxes

For the years ended December 31, 2017, 2016 and 2015, the (benefit from) provision for income taxes is comprised of the following:

	2017			2016			2015
Current income tax (benefit) provision
Federal	$	(66	)	$	(72	)	$	(78	)
State		1,525			442			494
Foreign		12			23			36
Total current income tax provision		1,471			393			452
Deferred income tax (benefit) provision:
Federal		(74,312	)		5,169			25,210
State		(12,165	)		3,768			(1,964	)
Total deferred income tax (benefit) provision		(86,477	)		8,937			23,246
Total income tax (benefit) provision	$	(85,006	)	$	9,330		$	23,698

Components of Deferred Income Tax Assets and Liabilities

The components of deferred income tax assets and liabilities as of December 31, 2017 and 2016 are as follows:

	2017			2016
Deferred income tax assets:
Acquisition and debt related costs	$	5,557		$	15,899
Net operating losses		201,604			294,986
Goodwill impairment		54,207			—
Self-insurance		6,992			9,766
Deferred revenue		2,627			4,696
Cash flow hedge		2,282			9,114
Restricted stock		4,097			3,374
Tax credits		7,922			6,882
Other		7,263			9,165
Total deferred income tax assets		292,551			353,882
Valuation allowance		(2,762	)		(584	)
Net deferred tax assets		289,789			353,298
Deferred income tax liabilities:
Property and equipment		(201,019	)		(326,320	)
Amortization - Goodwill		(37,291	)		(49,493	)
Amortization - Other Intangibles		(15,193	)		(20,877	)
Other		(3,466	)		(4,527	)
Total deferred income tax liabilities		(256,969	)		(401,217	)
Net deferred income tax assets (liabilities)	$	32,820		$	(47,919	)

Schedule of Reconciliation between Statutory Income Tax Rate and Company's Effective Income Tax (Benefit) Provision Rate

The reconciliation between the statutory income tax rate and the Company’s effective income tax (benefit) provision rate for the years ended December 31, 2017, 2016 and 2015, is as follows:

	2017				2016				2015
Income tax rate at federal statutory rates		35.00		%		35.00		%		35.00		%
Federal net operating loss and tax credit adjustments		—				24.40				(0.68	)
State taxes, net of federal benefit		2.02				(58.42	)			0.56
State net operating loss revaluation		(0.15	)			(19.74	)			(2.51	)
Nondeductible equity-based compensation		(1.01	)			(275.10	)			0.15
Tax credits		0.25				21.17				(1.73	)
Nondeductible expenses		(0.15	)			(17.15	)			0.53
Charitable contribution carryforward valuation allowance		—				—				2.01
Charitable contribution carryforward expiration		(0.18	)			—				—
State net operating loss carryforward valuation allowance		(0.59	)			—				—
Goodwill impairment		(6.12	)			—				—
Remeasurement of deferred income tax liabilities resulting from Tax Cuts and Jobs Act		0.63				—				—
Other		(0.12	)			(1.63	)			(0.79	)
Income tax rate		29.58		%		(291.47	)	%		32.54		%