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Derivatives and Risk Management - Summary of Foreign Currency Exchange Derivatives (Details)
$ in Thousands, $ in Thousands
Jun. 30, 2020
USD ($)
derivative_contracts
Jun. 30, 2020
CAD ($)
derivative_contracts
Dec. 31, 2019
USD ($)
derivative_contracts
Dec. 31, 2019
CAD ($)
derivative_contracts
Foreign Currency Fair Value Hedge Derivative [Line Items]        
Number of contracts | derivative_contracts 19 19 20 20
United States of America, Dollars [Member] | Foreign Exchange Contract [Member]        
Foreign Currency Fair Value Hedge Derivative [Line Items]        
Notional amount $ 4,901   $ 5,932  
Canada, Dollars [Member] | Foreign Exchange Contract [Member]        
Foreign Currency Fair Value Hedge Derivative [Line Items]        
Notional amount   $ 6,626   $ 7,828