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Derivative Financial Instruments - Additional Information (Details)
$ in Millions
12 Months Ended
May 22, 2019
USD ($)
Dec. 31, 2020
USD ($)
Instrument
Aug. 31, 2019
Ravenhall      
Derivative [Line Items]      
Gain (loss) on interest rate cash flow hedge ineffectiveness $ 3.9    
Interest Rate Swap      
Derivative [Line Items]      
Derivative, number of instruments held | Instrument   2  
Notional amount   $ 44.3  
Derivative, fixed interest rate   4.22% 4.22%
Change in fair value of derivative instrument classified as cash flow hedge   $ 4.8  
Value of swap liability   $ 6.0  
Interest Rate Swap | Operating Phase of Asset | Ravenhall, Australia      
Derivative [Line Items]      
Derivative, fixed interest rate   4.20%