Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands		Mar. 31, 2018	Dec. 31, 2017
Allowance for doubtful accounts		$ 2,454	$ 1,665
Preferred stock, par value (in dollars per share)		$ 0.0001	$ 0.0001
Preferred stock, shares authorized		200,000,000	200,000,000
Preferred stock, shares issued		0	0
Preferred stock, shares outstanding		0	0
Common stock, par value (in dollars per share)		$ 0.0001	$ 0.0001
Common stock, shares authorized		2,000,000,000	2,000,000,000
Common stock, shares issued		108,681,000	107,350,000
Common stock, shares outstanding		108,681,000	107,350,000
Total assets	[1]	$ 4,101,231	$ 3,963,136
Solar energy systems, net		3,285,804	3,161,570
Cash		203,189	202,525
Accounts receivable, net		111,012	112,069
Prepaid expenses and other current assets		6,488	9,202
Other assets		221,535	194,754
Total liabilities	[1]	2,676,479	2,598,819
Accounts payable		99,695	115,193
Distributions payable to noncontrolling interests and redeemable noncontrolling interests		15,134	13,583
Accrued expenses and other liabilities		92,793	97,230
Deferred revenue		572,082	564,852
Non-recourse debt		1,384,029	1,294,945
Variable Interest Entities
Total assets		2,746,338	2,568,378
Solar energy systems, net		2,525,977	2,385,329
Cash		144,822	118,352
Restricted cash		5,991	2,699
Accounts receivable, net		62,233	57,402
Prepaid expenses and other current assets		694	917
Other assets		6,621	3,679
Total liabilities		711,213	677,955
Accounts payable		17,575	15,929
Distributions payable to noncontrolling interests and redeemable noncontrolling interests		15,134	13,526
Accrued expenses and other liabilities		5,851	5,200
Deferred revenue		419,496	409,761
Deferred grants		30,070	30,406
Non-recourse debt		$ 222,951	$ 201,285

[1] The Company’s consolidated assets as of March 31, 2018 and December 31, 2017 include $2,746,338 and $2,568,378, respectively, in assets of variable interest entities, or “VIEs”, that can only be used to settle obligations of the VIEs. These assets include solar energy systems, net, as of March 31, 2018 and December 31, 2017 of $2,525,977 and $2,385,329, respectively; cash as of March 31, 2018 and December 31, 2017 of $144,822 and $118,352, respectively; restricted cash as of March 31, 2018 and December 31, 2017 of $5,991 and $2,699, respectively; accounts receivable, net as of March 31, 2018 and December 31, 2017 of $62,233 and $57,402, respectively; prepaid expenses and other current assets as of March 31, 2018 and December 31, 2017 of $694 and $917, respectively and other assets as of March 31, 2018 and December 31, 2017 of $6,621 and $3,679, respectively. The Company’s consolidated liabilities as of March 31, 2018 and December 31, 2017 include $711,213 and $677,955, respectively, in liabilities of VIEs whose creditors have no recourse to the Company. These liabilities include accounts payable as of March 31, 2018 and December 31, 2017 of $17,575 thousand and $15,929 thousand, respectively; distributions payable to noncontrolling interests and redeemable noncontrolling interests as of March 31, 2018 and December 31, 2017 of $15,134 and $13,526, respectively; accrued expenses and other liabilities as of March 31, 2018 and December 31, 2017 of $5,851 and $5,200, respectively; deferred revenue as of March 31, 2018 and December 31, 2017 of $419,496 and $409,761, respectively; deferred grants as of March 31, 2018 and December 31, 2017 of $30,070 and $30,406, respectively; and non-recourse debt as of March 31, 2018 and December 31, 2017 of $222,951 and $201,285, respectively.