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Related Party Transactions - Relationship with Apollo Global Management, LLC (Details) $ in Thousands	1 Months Ended	3 Months Ended								6 Months Ended		9 Months Ended		12 Months Ended
	Jun. 30, 2019 USD ($) subsidiary	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Related-Party Transactions
Related party expense		$ 1,742	$ 1,430	$ 5,331	$ 998	$ 3,664	$ 775	$ 6,783	$ 1,181	$ 6,329	$ 7,964	$ 7,759	$ 8,739	$ 9,501	$ 12,403	$ 33,431
Finance lease liability		34,060												34,060
Management Holdings \| Master Service Agreement
Related-Party Transactions
Revenue from related parties														600	600	300
Caesars \| Master Service Agreement
Related-Party Transactions
Revenue from related parties														4,400	4,100	1,200
ADT LLC \| Master Service Agreement
Related-Party Transactions
Revenue from related parties														1,200	600
ADT LLC \| Master Service Agreement \| Maximum
Related-Party Transactions
Revenue from related parties																100
Diamond Resorts Centralized Services \| Master Service Agreement
Related-Party Transactions
Revenue from related parties														5,400	5,700	0
Related party cost of revenue																0
Diamond Resorts Centralized Services \| Master Service Agreement \| Maximum
Related-Party Transactions
Related party cost of revenue														100	100
Presidio Group \| Master Service Agreement
Related-Party Transactions
Related party expense														1,000	700	300
Presidio Capital \| Master Lease Agreement
Related-Party Transactions
Number of subsidiaries involved in agreement \| subsidiary	1
Finance lease liability	$ 1,000	$ 900		$ 1,000						$ 1,000				900
Evertec \| Equipment Maintenance Agreement
Related-Party Transactions
Revenue from related parties														$ 300	$ 300
Evertec \| Equipment Maintenance Agreement \| Maximum
Related-Party Transactions
Revenue from related parties																$ 100