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Debt and Financing Obligations - Additional Information (Details) - USD ($)
6 Months Ended
May 31, 2017
Dec. 02, 2016
Dec. 01, 2016
Nov. 30, 2016
Sep. 30, 2016
Jun. 05, 2015
OpCo | Maximum            
Debt Instrument [Line Items]            
Subordinated indebtedness     $ 50,000,000      
First Solar | OpCo | Stateline            
Debt Instrument [Line Items]            
Interest rate of promissory note   4.00%        
Interest rate of promissory note contingent upon certain conditions   6.00%        
Revolving Credit Facility | OpCo            
Debt Instrument [Line Items]            
Letters of credit outstanding amount       $ 54,900,000    
Senior Secured Credit Facility            
Debt Instrument [Line Items]            
Line of credit facility, maximum borrowing amount           $ 525,000,000
Line of credit facility unused capacity, commitment fee percentage 0.30%          
Debt service coverage ratio 175.00%          
Senior Secured Credit Facility | Maximum            
Debt Instrument [Line Items]            
Debt to cash flow ratio for remainder of fiscal year 600.00%          
Debt to cash flow ratio thereafter 500.00%          
Senior Secured Credit Facility | Base Rate            
Debt Instrument [Line Items]            
Line of credit facility interest rate 0.50%          
Senior Secured Credit Facility | OpCo            
Debt Instrument [Line Items]            
Economic interest in entities 35.00%          
Senior Secured Credit Facility | Term Loan Facility            
Debt Instrument [Line Items]            
Line of credit facility, amount outstanding           300,000,000
Senior Secured Credit Facility | Delayed Draw Term Loan Facility            
Debt Instrument [Line Items]            
Line of credit facility, maximum borrowing amount           25,000,000
Senior Secured Credit Facility | Revolving Credit Facility            
Debt Instrument [Line Items]            
Line of credit facility, maximum borrowing amount           $ 200,000,000
Senior Secured Credit Facility | Incremental Term Loan Facility | OpCo            
Debt Instrument [Line Items]            
Line of credit facility, maximum borrowing amount         $ 775,000,000  
Line of credit facility, increase in borrowing capacity         $ 250,000,000  
August Two Thousand Eleven Letter Of Credit Facility With Deutsche Bank | Predecessor            
Debt Instrument [Line Items]            
Letters of credit outstanding amount $ 200,000     $ 11,500,000