Income Taxes (Tables)

12 Months Ended

Dec. 31, 2023

Income Tax Disclosure [Abstract]

Schedule of Income Tax Expenses (Benefit)

Income tax expense (benefit) from continuing operations consisted of the following (in thousands):

	Year Ended December 31,
	2023		2022		2021
Current:
Federal	$	119	$	113	$	—
State	1,382		997		1,289
Foreign	893		—		—
	2,394		1,110		1,289
Deferred:
Federal	(1,070)		288		(166)
State	(399)		242		(237)
Foreign	(134)		—		—
	(1,603)		530		(403)
Income tax expense (benefit)	$	791	$	1,640	$	886

Schedule of Difference Between Taxes Computed the U.S. Statutory Rate and Taxes Recorded

The principal items accounting for the difference between taxes computed at the U.S. statutory rate and taxes recorded consisted of the following (in thousands):

	Year Ended December 31,
	2023		2022		2021
Computed tax at U.S. federal statutory rate of 21%	$	(40,837)	$	(19,041)	$	(80,425)
Increase (decrease) in taxes resulting from:
Foreign rate differential	162		—		—
State taxes, net of federal impact	713		723		715
Stock-based compensation	(6,366)		(47,868)		(44,088)
Nondeductible compensation	5,430		23,570		4,054
Unrecognized tax benefit	—		—		238
Permanent differences	424		(155)		1,336
Valuation allowance	40,240		45,234		122,599
Other, net	1,025		(823)		(3,543)
Income tax expense (benefit)	$	791	$	1,640	$	886

Schedule of Components of Net Deferred Tax Liability

Components of the net deferred tax liability consisted of the following (in thousands):

	December 31,
	2023		2022
Deferred income tax assets:
Net operating and capital losses	$	346,128	$	293,221
State taxes	270		260
Accrued expenses	11,526		15,920
Transaction costs	672		736
Stock-based compensation	14,575		6,314
Lease liabilities	3,319		3,285
Interest limitation	561		4,226
Other, net	2,163		1,156
Total deferred income tax assets	$	379,214	$	325,118
Deferred income tax liabilities:
ROU assets	$	(3,238)	$	(3,155)
Intangible assets	(3,943)		(6,220)
Investments in marketable securities	(1,806)		—
Investments in partnerships and affiliates	(5,854)		(2,238)
Total deferred income tax liabilities	$	(14,841)	$	(11,613)
Valuation allowance	(365,932)		(314,166)
Net deferred income tax liabilities	$	(1,559)	$	(661)

Summary of Unrecognized Tax Benefits

The following table summarizes the activity related to the Company’s unrecognized tax benefits (in thousands):

	December 31,
	2023		2022		2021
Balance at beginning of the year	$	5,212	$	5,919	$	8,914
Additions related to current year acquisition	722		—		—
Additions related to current year	79		35		2,636
Additions (reductions) related to prior years	—		(137)		—
Reductions related to settlements with taxing authorities	(542)		(605)		(5,631)
Balance at end of the year	$	5,471	$	5,212	$	5,919