INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2019

Income Tax Disclosure [Abstract]

Schedule of income before income tax, domestic and foreign

The components of income before income taxes and non-controlling interests consist of the following for the years ended December 31:

(in thousands)	2019			2018			2017
Domestic - Luxembourg	$	8,919		$	(22,513	)	$	9,123
Foreign - U.S.	(12,602		)	8,398			7,967
Foreign - non-U.S.	16,122			15,514			18,285
Total	$	12,439		$	1,399		$	35,375

Schedule of income tax provision (benefit)

The income tax (provision) benefit consists of the following for the years ended December 31:

(in thousands)	2019			2018			2017
Current:
Domestic - Luxembourg	$	—		$	(275	)	$	(737	)
Foreign - U.S. federal	187			(1,838		)	(2,405		)
Foreign - U.S. state	(174		)	(336		)	(364		)
Foreign - non-U.S.	(10,970		)	(7,440		)	(17,574		)
	$	(10,957	)	$	(9,889	)	$	(21,080	)
Deferred:
Domestic - Luxembourg	$	(308,657	)	$	4,927		$	295,318
Foreign - U.S. federal	329			291			111
Foreign - U.S. state	341			(134		)	210
Foreign - non-U.S.	648			707			1,697
	$	(307,339	)	$	5,791		$	297,336
Income tax (provision) benefit	$	(318,296	)	$	(4,098	)	$	276,256

Summary of tax effects of the temporary differences

A summary of the tax effects of the temporary differences is as follows for the years ended December 31:

(in thousands)	2019			2018
Non-current deferred tax assets:
Net operating loss carryforwards	$	338,403		$	353,209
U.S. federal and state tax credits	189			314
Other non-U.S. deferred tax assets	13,980			6,161
Share-based compensation	2,010			1,586
Accrued expenses	2,691			5,242
Unrealized losses	9,011			3,131
Other	526			—
Non-current deferred tax liabilities:
Intangible assets	(8,325		)	(9,855		)
Depreciation	(302		)	(1,225		)
Other non-U.S. deferred tax liability	(998		)	(1,769		)
Other	—			(954		)
	357,185			355,840
Valuation allowance	(355,559		)	(46,751		)
Non-current deferred tax assets, net	$	1,626		$	309,089

Schedule of the reconciliation of income tax provision to the Luxembourg statutory income tax rate

The following table reconciles the Luxembourg statutory tax rate to our effective tax rate for the years ended December 31:

	2019		2018		2017
Statutory tax rate	24.94	%	26.01	%	27.08	%
Change in valuation allowance	2,526.53		43.08		119.20
State tax expense	(1.63	)	28.58		0.50
Tax credits	—		—		(2.13	)
Uncertain tax positions	39.60		114.18		30.16
Unrecognized tax loss	(67.18	)	—		(1,008.20	)
Income tax rate change	—		—		57.36
Tax rate differences on foreign earnings	28.75		73.11		—
Other	7.85		7.96		(4.91	)
Effective tax rate	2,558.86	%	292.92	%	(780.94	)%

Summary of income tax contingencies

The following table summarizes changes in unrecognized tax benefits during the years ended December 31:

(in thousands)	2019			2018
Amount of unrecognized tax benefits as of the beginning of the year	$	9,687		$	8,892
Decreases as a result of tax positions taken in a prior period	(192		)	(956		)
Increases as a result of tax positions taken in a prior period	22			1
Increases as a result of tax positions taken in the current period	250			1,750
Amount of unrecognized tax benefits as of the end of the year	$	9,767		$	9,687