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Debt (Terms of Revolver, Term Loans, and Delay Draw Term Loan) (Details) - Credit Agreement [Member]
3 Months Ended
Mar. 31, 2017
USD ($)
Nov. 15, 2016
USD ($)
Line of Credit [Member]    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity $ 90,000,000  
Line of Credit [Member] | Maximum Revolver Amount [Member]    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity $ 10,000,000.0  
Multiplier used to calculate borrowing capacity (as a percent) 1  
Line of Credit [Member] | U.S. [Member]    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity $ 500,000.0  
Line of Credit [Member] | Canadian [Member]    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity $ 250,000.00  
Term Loan [Member] | U.S. [Member]    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity   $ 44,400,000.0
Quarterly payment, percentage of principal 5.00%  
Term Loan [Member] | Canadian [Member]    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity   5,600,000.0
DDTL [Member]    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity   $ 10,000,000.0
Quarterly payment, percentage of principal 5.00%