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Fair value measurement (Tables)
6 Months Ended
Jun. 30, 2021
Fair value measurement  
Schedule of assets and liabilities measured at fair value on recurring basis

 

Quoted prices
in active
markets
(Level 1)

 

Significant
other
observable
inputs
(Level 2)

 

Significant
unobservable
inputs
(Level 3)

 

Total

 

Classification in Consolidated
balance sheets

(in thousands)

At December 31, 2020

Assets:

Cash, cash equivalents and restricted cash

$

247,680

$

$

$

247,680

Cash and cash equivalents; other non-current assets

Total assets

$

247,680

$

$

$

247,680

Liabilities:

Derivative financial instruments

2,645

2,645

Other non-current liabilities

Total liabilities

$

$

$

2,645

$

2,645

At June 30, 2021

Assets:

Cash, cash equivalents and restricted cash

$

680,158

$

$

$

680,158

Cash and cash equivalents; other non-current assets

Total assets

$

680,158

$

$

$

680,158

Liabilities:

Derivative financial instruments

$

$

$

2,645

$

2,645

Other non-current liabilities

Total liabilities

$

$

$

2,645

$

2,645