Portfolio Financings - Schedule of PPA Entities' Assets and Liabilities (Details) - USD ($) $ in Thousands		Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	[1]	$ 286,007	$ 396,035
Restricted cash	[1]	70,141	92,540
Accounts receivable	[1]	110,842	87,789
Customer financing receivable	[1]	5,875	5,784
Prepaid expenses and other current assets	[1]	37,000	30,661
Total current assets		723,607	806,420
Customer financing receivable, non-current	[1]	38,005	39,484
Restricted cash, non-current	[1]	137,748	126,539
Other long-term assets	[1]	38,412	39,116
Total assets		1,649,972	1,725,571
Current liabilities:
Accrued expenses and other current liabilities	[1]	92,170	114,138
Deferred revenue and customer deposits	[1]	94,044	89,975
Non-recourse debt	[1]	17,936	17,483
Total current liabilities		346,958	342,479
Deferred revenue and customer deposits, non-current	[1]	80,457	90,310
Non-recourse debt, non-current	[1]	212,465	217,416
Total liabilities		1,496,177	1,518,547
Variable Interest Entity, Primary Beneficiary
Current assets:
Cash and cash equivalents		1,704	1,541
Restricted cash		1,710	3,078
Accounts receivable		3,611	5,112
Customer financing receivable		0	5,784
Prepaid expenses and other current assets		1,682	3,071
Total current assets		8,707	18,586
Property and equipment, net		219,791	228,546
Customer financing receivable, non-current		0	39,484
Restricted cash, non-current		17,196	23,239
Other long-term assets		2,239	2,362
Total assets		247,933	312,217
Current liabilities:
Accrued expenses and other current liabilities		96	194
Deferred revenue and customer deposits		662	662
Non-recourse debt		14,283	17,483
Total current liabilities		15,041	18,339
Deferred revenue and customer deposits, non-current		5,247	5,410
Non-recourse debt, non-current		187,819	217,417
Total liabilities		$ 208,107	$ 241,166

[1] We have variable interest entities, which represent a portion of the consolidated balances recorded within these financial statement line items in the condensed consolidated balance sheets (see Note 11 - Portfolio Financings).