Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands		Dec. 31, 2016	Dec. 31, 2015
Allowance for doubtful accounts		$ 1,166	$ 1,641
Preferred stock, par value		$ 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		$ 0.0001	$ 0.0001
Common stock, shares authorized		2,000,000,000	2,000,000,000
Common stock, shares issued		104,321,000	101,282,000
Common stock, shares outstanding		104,321,000	101,282,000
Total assets	[1]	$ 3,572,818	$ 2,734,592
Solar energy systems, net		2,629,366	1,992,021
Cash		206,364	203,864
Restricted cash		11,882	9,203
Accounts receivable, net		60,258	60,275
Prepaid expenses and other current assets		9,802	5,917
Other assets		34,936	29,502
Total liabilities	[1]	2,510,725	1,927,893
Accounts payable		66,018	104,133
Distributions payable to noncontrolling interests and redeemable noncontrolling interests		10,654	8,144
Accrued expenses and other liabilities		59,261	49,146
Deferred revenue		654,250	618,792
Long-term non-recourse debt		898,023	534,764
Variable Interest Entities
Total assets		2,065,232	1,363,615
Solar energy systems, net		1,920,330	1,305,420
Cash		120,728	44,407
Restricted cash		1,680	757
Accounts receivable, net		20,771	12,965
Prepaid expenses and other current assets		242	66
Other assets		1,481	0
Total liabilities		617,011	540,464
Accounts payable		14,873	11,025
Distributions payable to noncontrolling interests and redeemable noncontrolling interests		10,654	8,063
Accrued expenses and other liabilities		782	175
Deferred revenue		422,685	374,736
Deferred grants		109,034	115,726
Long-term non-recourse debt		$ 58,983	$ 30,739

[1] The Company’s consolidated assets as of December 31, 2016 and 2015 include $2,065,232 and $1,363,615, respectively, in assets of variable interest entities, or “VIEs”, that can only be used to settle obligations of the VIEs. Solar energy systems, net, as of December 31, 2016 and 2015 were $1,920,330 and $1,305,420, respectively; cash as of December 31, 2016 and 2015 were $120,728 and $44,407, respectively; restricted cash as of December 31, 2016 and 2015 were $1,680 and $757, respectively; accounts receivable, net as of December 31, 2016 and 2015 were $20,771 and $12,965, respectively; prepaid expenses and other current assets as of December 31, 2016 and 2015 were $242 and $66, respectively and other assets as of December 31, 2016 and 2015 were $1,481 and $0, respectively. The Company’s consolidated liabilities as of December 31, 2016 and 2015 include $617,011 and $540,464, respectively, in liabilities of VIEs whose creditors have no recourse to the Company. These liabilities include accounts payable as of December 31, 2016 and 2015 of $14,873 and $11,025, respectively; distributions payable to noncontrolling interests and redeemable noncontrolling interests as of December 31, 2016 and 2015 of $10,654 and $8,063, respectively; accrued expenses and other liabilities as of December 31, 2016 and 2015 of $782 and $175, respectively; deferred revenue as of December 31, 2016 and 2015 of $422,685 and $374,736, respectively; deferred grants as of December 31, 2016 and 2015 of $109,034 and $115,726, respectively; and long-term non-recourse debt as of December 31, 2016 and 2015 of $58,983 and $30,739, respectively.