Note 8 - Goodwill (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Goodwill, Impairment Loss	$ 0	$ 6,150
Income Tax Expense (Benefit), Total	$ 24,922	21,568
FirstService Brands Segment, Service America Reporting Unit [Member]
Goodwill, Impairment Loss		3,752
Income Tax Expense (Benefit), Total		$ (2,398)

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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