INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2020

Income Tax Disclosure [Abstract]

Schedule of components of the income tax provision (benefit)

The components of the income tax benefit are as follows (in thousands):

	Year Ended December 31,
	2020		2019		2018
Current income tax (benefit) expense:
Federal	$	(10,705)	$	201	$	(1,470)
State	372		(125)		(204)
Current income tax (benefit) expense	(10,333)		76		(1,674)
Deferred income tax (benefit) provision:
Federal	(7,495)		(10,857)		(44,950)
State	(2,133)		2,302		(18,951)
Deferred income tax benefit	(9,628)		(8,555)		(63,901)
Income tax benefit	$	(19,961)	$	(8,479)	$	(65,575)

Schedule of reconciliation of total income tax provision to amounts computed by applying statutory federal income tax rate to income (loss) from continuing operations before income taxes

A reconciliation of the income tax benefit to the amounts computed by applying the statutory federal income tax rate to (loss) income from continuing operations before income taxes is shown as follows (in thousands):

	Year Ended December 31,
	2020		2019		2018
Federal statutory income tax	$	(8,931)	$	6,506	$	9,186
State income taxes, net	(3,551)		(1,832)		(14,884)
Excess tax deductions on non-cash compensation	(2,033)		(13,971)		(59,601)
Impact of the Coronavirus Aid, Relief, and Economic Security Act	(6,104)		—		—
Research and experimentation tax credit	(3,800)		(5,794)		(2,523)
Impact of certain state legislation, net	—		3,932		—
Nondeductible executive compensation	1,778		988		163
Change in (release of) valuation allowance	2,100		954		(12)
Uncertain tax positions	458		922		289
Nondeductible meals & entertainment	99		428		310
Impact of Tax Cuts and Jobs Act	—		—		270
Other, net	23		(612)		1,227
Income tax benefit	$	(19,961)	$	(8,479)	$	(65,575)

Schedule of components of the deferred tax assets and deferred tax liabilities

The tax effects of cumulative temporary differences that give rise to significant portions of the deferred tax assets and deferred tax liabilities are as follows (in thousands):

	December 31,
	2020		2019
Deferred tax assets:
Provision for accrued expenses	$	4,907	$	12,234
Leasing	24,864		7,299
Net operating loss carryforwards (a)	56,190		56,450
Non-cash compensation expense	20,746		15,805
Intangible assets	12,684		4,182
Interest limitation	4,059		987
Contingent liabilities	4,507		9,366
Tax credits	13,656		6,124
Other	3,605		446
Total gross deferred tax assets	145,218		112,893
Less: valuation allowance (b)	(5,802)		(4,102)
Total deferred tax assets, net of the valuation allowance	139,416		108,791
Deferred tax liabilities:
Leasing	(21,632)		(6,596)
Property and equipment	(5,015)		(4,748)
Other	(653)		(1,835)
Total gross deferred tax liabilities	(27,300)		(13,179)
Net deferred taxes	$	112,116	$	95,612

(a)At December 31, 2020, the Company had pre-tax consolidated federal net operating losses ("NOLs") of $179.5 million. The federal NOLs no longer expire under the new TCJA. The Company's NOLs will be available to offset taxable income subject to the Internal Revenue Code Section 382 annual limitation. In addition, the Company has state NOLs of approximately $519.5 million at December 31, 2020 that will expire at various times between 2021 and 2040.

(b)The valuation allowance is related to items for which it is "more likely than not" that the tax benefit will not be realized.

Deferred income taxes are presented in the accompanying consolidated balance sheets as follows (in thousands):

	December 31,
	2020		2019
Deferred income tax assets	$	96,224	$	87,664
Non-current assets of discontinued operations	15,892		7,948
Net deferred taxes	$	112,116	$	95,612

Schedule of the deferred tax valuation allowance reconciliation

A reconciliation of the beginning and ending balances of the deferred tax valuation allowance is as follows (in thousands):

	Year Ended December 31,
	2020		2019		2018
Balance, beginning of the period	$	4,102	$	2,229	$	2,694
Charges to earnings	1,700		1,873		(465)
Balance, end of the period	$	5,802	$	4,102	$	2,229

Schedule of reconciliation of beginning and ending amounts of unrecognized tax benefits, excluding interest and penalties

A reconciliation of the beginning and ending amounts of unrecognized tax benefits, excluding interest and penalties, is as follows (in thousands):

	Year Ended December 31,
	2020		2019
Balance, beginning of the period	$	1,996	$	1,127
Additions based on tax positions of the current period	570		525
Additions based on tax positions of the prior period	47		344
Balance, end of the period	$	2,613	$	1,996