Quarterly Financial Information (Unaudited) - Summary of Quarterly Financial Information (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								11 Months Ended		12 Months Ended
	Nov. 30, 2017	Aug. 31, 2017	May 31, 2017	Feb. 28, 2017	Nov. 30, 2016	Aug. 31, 2016	May 31, 2016	Feb. 29, 2016	Nov. 30, 2015		Nov. 30, 2017		Nov. 30, 2016
Quarterly Financial Information Disclosure [Abstract]
Operating revenues, net	$ 15,770	$ 27,744	$ 16,678	$ 9,897	$ 14,463	$ 26,116	$ 13,517	$ 7,102	$ 10,660	[1]	$ 70,089	[1]	$ 61,198	[1]
Operating income (loss)	2,677	16,391	5,716	(1,003)	4,073	15,474	3,885	(1,259)	(7,637)		23,781		22,173
Other expense (income), net	5,282	6,039	5,617	4,390	1,697	2,612	2,389	2,662	(12,536)		971		1,518
Net income (loss)	8,760	28,662	7,143	(5,320)	4,250	15,874	(161)	(7,053)	(24,011)		39,245		12,910
Net income attributable to 8point3 Energy Partners LP Class A shares	$ (313)	$ 7,473	$ 3,386	$ 861	$ 4,178	$ 7,593	$ 10,022	$ 5,308	$ 18,726		$ 11,407		$ 27,101
Net income per Class A share - basic	$ (0.01)	$ 0.27	$ 0.12	$ 0.03	$ 0.16	$ 0.38	$ 0.50	$ 0.27	$ 0.94		$ 0.41		$ 1.27
Net income per Class A share - diluted	(0.01)	0.27	0.12	0.03	0.16	0.38	0.50	0.27	0.94		0.41		1.27
Distributions per Class A share:	$ 0.27	$ 0.26	$ 0.26	$ 0.25	$ 0.24	$ 0.23	$ 0.22	$ 0.22	$ 0.16		$ 1.04		$ 0.91
Weighted average number of Class A shares - basic	28,085	28,081	28,077	28,073	25,680	20,015	20,011	20,007	20,002		28,079		21,420
Weighted average number of Class A shares - diluted	43,585	43,581	43,577	43,573	41,180	35,515	35,511	35,507	35,034		43,579		36,920

[1] The Partnership has related-party activities for transactions made with the Sponsors. Related party transactions recorded within “Operating revenues” in the consolidated statement of operations were $5.2 million, $5.2 million and $2.3 million in fiscal 2017, 2016 and 2015, respectively. Related party transactions recorded within “Operating costs and expenses” in the consolidated statement of operations were $8.4 million, $7.0 million and $1.4 million in fiscal 2017, 2016 and 2015, respectively. Related party transactions recorded within “Other expense (income)” in the consolidated statement of operations were $0.3 million in fiscal 2017, and zero in both fiscal 2016 and 2015.