XML 86 R70.htm IDEA: XBRL DOCUMENT v3.10.0.1
Long-term investments - Schedule of Long-Term Investments (Detail) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Investment carried at fair value $ 814,530 $ 0
Equity-method investees 30,492 32,267
Other investments 3,870 5,004
Other long-term investments 34,362 37,271
Less: current portion (1,407) 0
Other long-term investments 32,955 37,271
Notes Receivable | Development loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes receivable from equity investees (e) 101,416 30,060
Atlantica Yield    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Investment carried at fair value 814,530 0
Abengoa-Algonquin Global Energy Solutions    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Equity-method investees 2,622 0
Red Lily I Wind Facility    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Equity-method investees 15,705 18,174
Interest in Amherst Wind Project    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Equity-method investees 7,655 8,921
Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Equity-method investees 4,510 $ 5,172
Variable Interest Entity, Not Primary Beneficiary | Windlectric | Notes Receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes receivable from equity investees (e) $ 96,477