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Related Party Transactions	3 Months Ended
Related Party Transactions	Mar. 31, 2020
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions Guarantor and Co-Guarantor Warrants The guarantor and co-guarantor of the Credit Agreement with Wells Fargo are each shareholders and members of the board of directors of the Company. The Company issued warrants to the guarantor and co-guarantor in exchange for their respective guarantees (see Note 10 and 11). On January 26, 2017, each of these two directors received a warrant to purchase 107,500 common shares at an exercise price of $9.2911 per share. Both warrants were exercised in March 2019 and common shares settled in the second quarter of 2019.