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Commitments and contingencies (Tables)
 12 Months Ended
Dec. 31, 2021
Commitments And Contingencies [Abstract]  
Schedule of minimum estimated commitment under purchase contracts The minimum estimated commitment under these contracts, except as noted below, is as follows:
As at December 31, 2021
20222023202420252026
Thereafter
$390,981$413,882 $443,576$443,428$267,345$1,303,370
Contractual obligations
The Company has future minimum payments relating primarily to short-term vessel charters, terminal facilities, and other commitments that are not leases, as follows:

As at December 31, 2021
20222023202420252026
Thereafter
$69,422$38,652$9,464$1,283$539$2,194