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Derivative Financial Instruments - Additional Information (Details)
$ in Millions
3 Months Ended
May 22, 2019
USD ($)
Mar. 31, 2020
USD ($)
Instrument
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%
Change in fair value of derivative instrument classified as cash flow hedge   $ 4.5
Value of swap liability   $ 7.6
Interest Rate Swap | Operating Phase of Asset | Ravenhall, Australia    
Derivative [Line Items]    
Derivative, fixed interest rate   4.20%