This element represents the fair value of the noncontrolling interest in the acquiree at the acquisition date.

No definition available.

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Data Type:	xbrli:monetaryItemType
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- Definition

Amount of accrued liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of operating lease liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

+ References

No definition available.

+ Details

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- Definition

Amount of operating lease liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

+ References

No definition available.

+ Details

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- Definition

The amount of operating lease right-of-use assets recognized as of the acquisition date.

+ References

No definition available.

+ Details

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- Definition

Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

+ References

+ Details

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- Definition

Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

+ References

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- Definition

Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date.

+ References

+ Details

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- Definition

Amount of deferred revenue expected to be recognized as such within one year or the normal operating cycle, if longer, assumed at the acquisition date.

+ References

+ Details

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- Definition

Amount of other liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of deferred tax liability attributable to taxable temporary differences assumed at the acquisition date.

+ References

+ Details

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Period Type:	instant

- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

+ References

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- Definition

The amount of inventory recognized as of the acquisition date.

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Period Type:	instant

- Definition

Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

+ References

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- Definition

Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

+ References

+ Details

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- Definition

Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of property, plant, and equipment recognized as of the acquisition date.

+ References

+ Details

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-SubTopic 210
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- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Period Type:	duration

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Namespace Prefix:
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Note 5 - Acquisitions - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands		12 Months Ended
	Jun. 21, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Cash consideration, net of cash acquired of $6,518		$ (98,559)	$ (579,863)
Goodwill		703,738	644,847	$ 335,155
FirstService Brands Segment [Member]
Goodwill		$ 476,002	$ 433,121	$ 141,212
Global Restoration [Member] \| FirstService Brands Segment [Member]
Accounts receivable	$ 118,678
Inventories	31,677
Prepaid expenses and other current assets	3,240
Fixed assets	22,574
Operating lease right-of-use assets	10,566
Accounts payable	(24,337)
Accrued liabilities	(21,345)
Unearned revenues	(12,779)
Operating lease liabilities - current	(6,500)
Other current liabilities	(649)
Operating lease liabilities - non-current	(4,072)
Long-term debt - non-current	(5,711)
Other liabilities	(615)
Deferred tax liabilities	(51,590)
Redeemable non-controlling interests	(25,433)
Business acquisition total	33,704
Cash consideration, net of cash acquired of $6,518	(506,680)
Goodwill	250,846
Global Restoration [Member] \| FirstService Brands Segment [Member] \| Order or Production Backlog [Member]
Acquired intangible assets	7,130
Global Restoration [Member] \| FirstService Brands Segment [Member] \| Customer Relationships [Member]
Acquired intangible assets	213,150
Global Restoration [Member] \| FirstService Brands Segment [Member] \| Trademarks and Trade Names [Member]
Acquired intangible assets	$ 1,850