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Long-Term Debt - Titan Revolving Credit Facility (Details) - Titan Facility
$ in Millions, $ in Millions
Jan. 31, 2020
USD ($)
Jun. 01, 2018
CAD ($)
Jun. 01, 2018
USD ($)
Debt Instrument [Line Items]      
Maximum amount under the facility   $ 30.0 $ 22.7
Available borrowings under the facility $ 22.7