Financial Instruments - Summary of Carrying Value, Estimated Fair Value and Classification of Financial Instruments (Details) - USD ($) $ in Thousands		Jun. 30, 2020	Dec. 31, 2019
Assets
Short-term investments		$ 0	$ 879
Restricted cash		12,776	10,401
Liabilities
Customer warrant		139,164	152,534
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Assets
Cash and cash equivalents		726,402	103,029
Short-term investments			879
Restricted cash		12,776	10,401
Financial instruments assets		739,178	114,309
Liabilities
Term loans and notes		1,850,350	1,800,911
Revolver		175,000	100,000
Convertible notes	[1]	448,883	439,261
Customer warrant		39,539	24,345
Financial instruments liabilities		2,513,772	2,364,517
Estimate of Fair Value, Fair Value Disclosure [Member]
Assets
Cash and cash equivalents		726,402	103,029
Short-term investments			879
Restricted cash		12,776	10,401
Financial instruments assets		739,178	114,309
Liabilities
Term loans and notes		1,886,041	1,885,750
Revolver		170,057	103,575
Convertible notes	[1]	479,134	450,668
Customer warrant		39,539	24,345
Financial instruments liabilities		2,574,771	2,464,338
Fair Value, Inputs, Level 1 [Member]
Assets
Cash and cash equivalents		726,402	103,029
Short-term investments			0
Restricted cash		12,776	10,401
Financial instruments assets		739,178	113,430
Liabilities
Term loans and notes		0	0
Revolver		0	0
Convertible notes	[1]	479,134	450,668
Customer warrant		0	0
Financial instruments liabilities		479,134	450,668
Fair Value, Inputs, Level 2 [Member]
Assets
Cash and cash equivalents		0	0
Short-term investments			0
Restricted cash		0	0
Financial instruments assets		0	0
Liabilities
Term loans and notes		0	0
Revolver		0	0
Convertible notes	[1]	0	0
Customer warrant		39,539	24,345
Financial instruments liabilities		39,539	24,345
Fair Value, Inputs, Level 3 [Member]
Assets
Cash and cash equivalents		0	0
Short-term investments			879
Restricted cash		0	0
Financial instruments assets		0	879
Liabilities
Term loans and notes		1,886,041	1,885,750
Revolver		170,057	103,575
Convertible notes	[1]	0	0
Customer warrant		0	0
Financial instruments liabilities		$ 2,056,098	$ 1,989,325

[1] Carrying value is net of debt discounts and debt issuance costs (see Note 8).