Related Parties - Agreements Narrative (Details)	2 Months Ended	3 Months Ended		6 Months Ended
	Jan. 31, 2016 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Feb. 24, 2016 MW	Dec. 31, 2015 USD ($)	Aug. 05, 2015 USD ($)	Aug. 04, 2015 USD ($) MW
Related Party Transaction [Line Items]
General and administrative - affiliate		$ 15,965,000	$ 3,852,000	$ 23,202,000	$ 6,819,000
Cost of operations - affiliate		4,683,000	1,369,000	9,713,000	2,333,000
Due to Sun Edison, net		$ 29,326,000		29,326,000			$ 44,254,000
Contributions of additional paid in capital				48,983,000	7,245,000
Senior notes
Related Party Transaction [Line Items]
Extinguishment of debt, amount	$ 49,600,000
Additional Paid-in-Capital | SunEdison
Related Party Transaction [Line Items]
Contributions of additional paid in capital				38,400,000	$ 67,900,000
Del Litoral | SunEdison
Related Party Transaction [Line Items]
Capacity of acquired power plants | MW									17.4
El Naranjal | SunEdison
Related Party Transaction [Line Items]
Capacity of acquired power plants | MW									57.4
Bora Bora | SunEdison
Related Party Transaction [Line Items]
Capacity of acquired power plants | MW									24.1
NPS Star
Related Party Transaction [Line Items]
Capacity of acquired power plants | MW						17.8
WXA
Related Party Transaction [Line Items]
Capacity of acquired power plants | MW						17.8
Management services agreement | Maximum | SunEdison
Related Party Transaction [Line Items]
Management fee due to parent in 2015								$ 0
Management fee due to parent in 2016-2018 (in percent of Terra LLC's cash available for distribution)								2.50%
Corporate overhead allocation | SunEdison
Related Party Transaction [Line Items]
General and administrative - affiliate			$ 3,900,000	23,202,000
Interest payment agreement | SunEdison
Related Party Transaction [Line Items]
IPO terms, expected aggregate interest expense deduction due to debt extinguishment	$ 2,900,000
Interest payment agreement | Senior notes | Maximum | Global Operating LLC | SunEdison
Related Party Transaction [Line Items]
IPO terms, expected aggregate interest expense year one									$ 81,200,000
IPO terms, expected aggregate interest expense year two									40,000,000
IPO terms, expected aggregate interest expense year three									30,000,000
IPO terms, expected aggregate interest expense year four									20,000,000
IPO terms, expected aggregate interest expense year five									$ 10,000,000
Interest payments received on Senior notes				$ 41,200,000