Derivatives - Summary of the effect of cash flow hedge (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain Recognized in Other Comprehensive Income (Loss)		$ (2,439)		$ (19,397)
Total Amount of Expense Line Items Presented in the Consolidated Statement of Operations in Which the Effects are Recorded	$ 0	1,856	$ (40,433)	(2,271)
Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain Recognized in Other Comprehensive Income (Loss)	0		2,426
Loss on extinguishment of debt
Derivative Instruments, Gain (Loss) [Line Items]
Total Amount of Expense Line Items Presented in the Consolidated Statement of Operations in Which the Effects are Recorded	0		(40,433)
Loss on extinguishment of debt | Interest rate swaps | Reclassification out of Accumulated Other Comprehensive Income
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Loss Reclassified from Accumulated Other Comprehensive Loss into Income	$ 0		$ (25,518)
Interest expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Total Amount of Expense Line Items Presented in the Consolidated Statement of Operations in Which the Effects are Recorded		(21,605)		(44,948)
Interest expense, net | Interest rate swaps | Reclassification out of Accumulated Other Comprehensive Income
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Loss Reclassified from Accumulated Other Comprehensive Loss into Income		$ (2,601)		$ (3,860)