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Solar Services - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Jan. 13, 2020
Nov. 05, 2018
Mar. 29, 2020
Mar. 31, 2019
Debt Instrument [Line Items]        
Proceeds from business divestiture     $ 0 $ 9,677
Long-term debt $ 216,200      
SunStrong Partners, LLC        
Debt Instrument [Line Items]        
Ownership percentage   49.00%    
Proceeds from business divestiture   $ 10,000    
Proceeds from contributions from affiliates 7,000      
Proceeds from collection of other receivables 4,000      
Gain on refinancing 3,000      
Subordinate Mezzanine Loan        
Debt Instrument [Line Items]        
Long-term debt $ 72,800