Derivative Financial Instruments - Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Loss Recognized in Accumulated Other Comprehensive Loss on Derivative Instruments	$ (5,072)	$ (3,525)	$ (58,139)	$ (29,489)
Amount of Loss Reclassified from Accumulated Other Comprehensive Loss into Income	(8,620)	(727)	(18,605)	(382)
Interest rate swap and cap contracts | Cost of ATM operating revenues
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Loss Recognized in Accumulated Other Comprehensive Loss on Derivative Instruments	(5,072)	(3,406)	(57,929)	(28,989)
Amount of Loss Reclassified from Accumulated Other Comprehensive Loss into Income	(8,620)	(668)	(18,562)	(210)
Interest rate swap and cap contracts | Interest expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Loss Recognized in Accumulated Other Comprehensive Loss on Derivative Instruments	0	(119)	(210)	(500)
Amount of Loss Reclassified from Accumulated Other Comprehensive Loss into Income	$ 0	$ (59)	$ (43)	$ (172)