Acquisition of Businesses - Narrative (Details) CAD in Millions				3 Months Ended	6 Months Ended
	Mar. 11, 2016 USD ($)	Jan. 04, 2016 USD ($)	Jan. 04, 2016 CAD	Jun. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)
Maligne Tours Ltd
Business Acquisition [Line Items]
Business acquisition date					Jan. 04, 2016
Purchase price		$ 14,962,000	CAD 20.9
Acquisition related costs					$ 100,000	$ 200,000
Intangible assets		$ 9,244,000
Weighted average useful life of intangibles		26 years 8 months 12 days	26 years 8 months 12 days
Revenue				$ 1,600,000	1,600,000
Operating income (losses)				100,000	$ (44,000)
Maligne Tours Ltd | Parks Canada
Business Acquisition [Line Items]
Operating licenses amortized period		29 years	29 years
CIRI Alaska Tourism Corporation
Business Acquisition [Line Items]
Business acquisition date					Mar. 11, 2016
Purchase price	$ 45,000,000
Acquisition related costs					$ 200,000	$ 600,000
Intangible assets	$ 980,000
Weighted average useful life of intangibles	5 years 9 months 18 days
Revenue				9,300,000	9,300,000
Operating income (losses)				1,500,000	800,000
Percentage of equity interest	100.00%
Working capital receivable	$ 35,000			89,000
Accounts payable	$ 306,000			100,000	$ 100,000
Acquisition adjustment for accrued liabilities				$ 16,000