Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash, cash equivalents and current portion of restricted cash	$ 69,526	$ 49,222
Short-term investments	29,830	56,929
Accounts receivable, net of allowance of $2,412 and $2,566 as of December 31, 2019 and March 31, 2020, respectively	58,685	61,760
Other receivables	81,722	84,898
Inventory	29,725	29,874
Prepaid expenses and other current assets	10,950	11,109
Derivative assets, related party	3,783
Total current assets	284,221	293,792
Operating lease right-of-use assets	27,951	28,627
Land, property and equipment, net	315,892	323,912
Long-term portion of restricted cash	4,000	4,000
Notes receivable and other long-term assets, net	33,393	31,622
Long-term portion of derivative assets, related party	8,762	3,270
Investments in other entities	24,896	26,305
Goodwill	64,328	64,328
Intangible assets, net	1,002	1,229
Total assets	764,445	777,085
Current liabilities:
Current portion of debt	56,030	56,013
Current portion of finance lease obligations	696	615
Current portion of operating lease obligations	3,530	3,359
Accounts payable	21,351	27,376
Accrued liabilities	66,531	67,697
Deferred revenue	7,839	7,338
Derivative liabilities, related party		164
Total current liabilities	155,977	162,562
Long-term portion of debt	31,558	32,872
Long-term portion of finance lease obligations	2,909	2,715
Long-term portion of operating lease obligations	25,184	26,206
Other long-term liabilities	9,800	9,701
Total liabilities	225,428	234,056
Commitments and contingencies (Note 17)
Stockholders' equity:
Preferred stock, $0.0001 par value. 1,000,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $0.0001 par value. 304,000,000 shares authorized; 204,723,055 shares and 202,783,616 shares issued and outstanding as of December 31, 2019 and March 31, 2020, respectively	20	20
Additional paid-in capital	1,198,802	1,203,186
Accumulated deficit	(666,528)	(668,232)
Accumulated other comprehensive loss	(3,481)	(1,566)
Total Clean Energy Fuels Corp. stockholders’ equity	528,813	533,408
Noncontrolling interest in subsidiary	10,204	9,621
Total stockholders’ equity	539,017	543,029
Total liabilities and stockholders’ equity	$ 764,445	$ 777,085