XML 67 R55.htm IDEA: XBRL DOCUMENT v3.20.2
Derivative Financial Instruments - Additional Information (Details)
$ in Millions
6 Months Ended
May 22, 2019
USD ($)
Jun. 30, 2020
USD ($)
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   $ 4.7
Value of swap liability   $ 7.9
Interest Rate Swap | Operating Phase of Asset | Ravenhall, Australia    
Derivative [Line Items]    
Derivative, fixed interest rate   4.20%