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Note 7 - Income Taxes (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
  

Year Ended December 31,

  

2022

 

2021

 

2020

Current tax:

            

Netherlands (2020: U.K.)

 $283 $216 $(707)

Foreign

 42,308 16,777 17,883

Total current tax

 42,591 16,993 17,176

Deferred tax:

            

Netherlands (2020: U.K.)

 - - -

Foreign

 (1,344) (726) (20,576)

Total deferred tax

 (1,344) (726) (20,576)

Income tax expense (benefit)

 $41,247 $16,267 $(3,400)
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
  

Year Ended December 31,

  

2022

 

2021

 

2020

Netherlands (2020: U.K.)

 $(13,984) $(19,190) $22,819

Foreign

 19,355 (113,181) (346,853)

Total

 $5,371 $(132,371) $(324,034)
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
  

Year Ended December 31,

  

2022

 

2021

 

2020

Statutory tax rate

 25.8% 25.0% 19.0%
             

Income tax expense (benefit) at statutory rate

 $1,387 $(33,093) $(61,566)

Permanent differences

 12,187 14,123 120,239

Effect of overseas tax rates

 (4,024) 9,905 (1,754)

Net tax charge related to attributes with full valuation allowance

 28,267 28,607 (71,259)

Exempt dividends from joint ventures

 (2,649) (1,014) 14

Return to provision adjustments

 (5,966) (5,001) 6,150

Withholding taxes

 3,029 1,995 984

Foreign exchange movements on tax balances

 694 67 1,216

Movement in uncertain tax positions

 8,322 678 2,576

Income tax expense (benefit)

 $41,247 $16,267 $(3,400)
             

Effective tax rate

 768.0% -12.3% 1.0%
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
  

December 31,

  

2022

 

2021

Deferred tax assets:

        

Net operating loss carry forwards

 $771,963 $731,315

Employee compensation and benefits

 9,977 12,958

Depreciation

 66,300 44,253

Other

 44,133 34,734

Investment in partnership

 - 51,890

Intangibles

 16,197 22,980

Valuation allowance

 (881,286) (829,087)

Total deferred tax assets

 27,284 69,043

Deferred tax liabilities:

        

Depreciation

 (13,630) (1,935)

Goodwill and other intangibles

 (36,968) (42,784)

Investment in partnership

 (911) (48,856)

Other

 (6,194) (7,212)

Total deferred tax liabilities

 (57,703) (100,787)

Net deferred tax liabilities

 $(30,419) $(31,744)
Summary of Valuation Allowance [Table Text Block]
  

Year Ended December 31

             
  

2022

 

2021

 

2020

Balance at the beginning of the period

 $829,087 $512,711 $443,398

Additions attributable to the Merger

 - 187,319 -

Additions not attributable to the Merger

 146,451 160,299 72,025

Reductions

 (94,252) (31,242) (2,712)

Balance at end of period

 $881,286 $829,087 $512,711
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
  

Year ended December 31

  

2022

 

2021

Balance at the beginning of the period

 $76,114 $35,377

Additions attributable to the Merger

 7,259 40,144

Additions based on tax positions related to current period not attributable to the Merger

 8,009 5,774

Additions for tax positions of prior year period not attributable to the Merger

 2,371 5,094

Settlements with tax authorities

 (2,490) (2,370)

Reductions for tax positions of prior years

 (547) (5,138)

Reductions due to the lapse of statute of limitations

 (1,525) (2,094)

Effect of changes in foreign exchange rates

 (1,054) (673)

Balance at the end of the period

 $88,137 $76,114