XML 45 R34.htm IDEA: XBRL DOCUMENT v3.22.1
Summary of Significant Accounting Policies - Fair Value Measurements (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash equivalents   $ 17,959
Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash equivalents   17,959
Power swaps | Other current assets    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative Asset $ 685  
Power swaps | Other current assets | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative Asset 685  
Power swaps | Other assets    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative Asset 1,270  
Power swaps | Other assets | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative Asset 1,270  
Interest rate swaps | Other assets    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative Asset 2,116  
Interest rate swaps | Other assets | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative Asset 2,116  
Interest rate swaps | Swap liability, current portion    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Interest rate swaps 2,846 8,062
Interest rate swaps | Swap liability, current portion | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Interest rate swaps $ 2,846 8,062
Interest rate swaps | Other long-term liabilities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Interest rate swaps   6,706
Interest rate swaps | Other long-term liabilities | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Interest rate swaps   $ 6,706