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Right-of-use assets and lease liabilities (Tables)
12 Months Ended
Dec. 31, 2020
Right-of-use assets and lease liabilities  
Schedule of right-of-use assets for long-term operating leases

(In thousands)

    

Office leases

Balance at January 1, 2019 on adoption of ASC 842 Leases

 

11,819

Additions

 

3,830

Modification of operating lease

 

(1,107)

Amortization

 

(5,634)

Effect of foreign currency exchange differences

 

(161)

Net book amount at December 31, 2019

8,747

Additions

500

Modification of operating lease

(3,825)

Amortization

(3,685)

Effect of foreign currency exchange differences

217

Net book amount at December 31, 2020

 

1,954

Schedule of undiscounted cash payment

The undiscounted cash payment for each of the next five years as of December 31, 2019 is:

(In thousands)

    

  

2020

 

5,034

2021

 

3,000

2022

 

1,279

Total undiscounted payments

 

9,313

Less: effect of discounting

 

(488)

Discounted lease liabilities

 

8,825

The undiscounted cash payment for each of the next five years as of December 31, 2020 is:

(In thousands)

    

  

2021

 

1,998

2022

 

28

Total undiscounted payments

2,026

Less: effect of discounting

(38)

Discounted lease liabilities

 

1,988