Related party transactions - Transactions with Related Parties (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Affiliated Entity | Hyatt | Franchise fees
Related Party Transaction [Line Items]
Total transactions with related parties	$ 1,102	$ 3,516	$ 7,666	$ 13,054
Affiliated Entity | Sagicor | Insurance premiums
Related Party Transaction [Line Items]
Total transactions with related parties	187	186	720	1,317
Affiliated Entity | Sagicor | Cost reimbursements
Related Party Transaction [Line Items]
Total transactions with related parties	488	1,393	1,652	4,200
Chief Executive Officer | Lease expense
Related Party Transaction [Line Items]
Total transactions with related parties	$ 186	$ 187	$ 564	$ 539