Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Disaggregation of Revenue [Line Items]
Total revenue	$ 142,812	$ 118,342	$ 465,231	$ 433,007
Package revenue
Disaggregation of Revenue [Line Items]
Total revenue	123,633	102,093	402,627	373,502
Non-package revenue
Disaggregation of Revenue [Line Items]
Total revenue	18,800	16,249	61,752	59,505
Management fees
Disaggregation of Revenue [Line Items]
Total revenue	152	0	503	0
Cost reimbursements
Disaggregation of Revenue [Line Items]
Total revenue	227	0	349	0
Other
Disaggregation of Revenue [Line Items]
Total revenue	379	12	1,195	12
Other | Package revenue
Disaggregation of Revenue [Line Items]
Total revenue	0	0	342	0
Other | Non-package revenue
Disaggregation of Revenue [Line Items]
Total revenue	0	12	1	12
Other | Management fees
Disaggregation of Revenue [Line Items]
Total revenue	152	0	503	0
Other | Cost reimbursements
Disaggregation of Revenue [Line Items]
Total revenue	227	0	349	0
Yucatàn Peninsula
Disaggregation of Revenue [Line Items]
Total revenue	58,728	61,623	205,688	215,301
Yucatàn Peninsula | Package revenue
Disaggregation of Revenue [Line Items]
Total revenue	52,047	53,926	182,913	189,531
Yucatàn Peninsula | Non-package revenue
Disaggregation of Revenue [Line Items]
Total revenue	6,681	7,697	22,775	25,770
Yucatàn Peninsula | Management fees
Disaggregation of Revenue [Line Items]
Total revenue	0		0
Yucatàn Peninsula | Cost reimbursements
Disaggregation of Revenue [Line Items]
Total revenue	0		0
Pacific Coast
Disaggregation of Revenue [Line Items]
Total revenue	17,017	16,892	67,395	69,953
Pacific Coast | Package revenue
Disaggregation of Revenue [Line Items]
Total revenue	14,848	14,435	57,057	58,365
Pacific Coast | Non-package revenue
Disaggregation of Revenue [Line Items]
Total revenue	2,169	2,457	10,338	11,588
Pacific Coast | Management fees
Disaggregation of Revenue [Line Items]
Total revenue	0		0
Pacific Coast | Cost reimbursements
Disaggregation of Revenue [Line Items]
Total revenue	0		0
Dominican Republic
Disaggregation of Revenue [Line Items]
Total revenue	27,580	26,138	99,493	96,934
Dominican Republic | Package revenue
Disaggregation of Revenue [Line Items]
Total revenue	22,800	21,468	83,849	81,813
Dominican Republic | Non-package revenue
Disaggregation of Revenue [Line Items]
Total revenue	4,780	4,670	15,644	15,121
Dominican Republic | Management fees
Disaggregation of Revenue [Line Items]
Total revenue	0		0
Dominican Republic | Cost reimbursements
Disaggregation of Revenue [Line Items]
Total revenue	0		0
Jamaica
Disaggregation of Revenue [Line Items]
Total revenue	39,108	13,677	91,460	50,807
Jamaica | Package revenue
Disaggregation of Revenue [Line Items]
Total revenue	33,938	12,264	78,466	43,793
Jamaica | Non-package revenue
Disaggregation of Revenue [Line Items]
Total revenue	5,170	$ 1,413	12,994	$ 7,014
Jamaica | Management fees
Disaggregation of Revenue [Line Items]
Total revenue	0		0
Jamaica | Cost reimbursements
Disaggregation of Revenue [Line Items]
Total revenue	$ 0		$ 0