Goodwill and Intangible Assets - Summary of Carrying Value of Goodwill by Operating Segment (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015
Goodwill [Roll Forward]
Beginning Balance	$ 539,475	$ 530,670
Acquisitions	4,345	10,048
Disposals		(2,664)
Disposals, Currency Translation and Other Adjustments	(16,977)
Acquisition Accounting Adjustments	(120)	1,421
Ending Balance	526,723	539,475
Sales and Lease Ownership
Goodwill [Roll Forward]
Beginning Balance	233,851	226,828
Acquisitions	4,345	9,529
Disposals		(2,506)
Disposals, Currency Translation and Other Adjustments	(444)
Acquisition Accounting Adjustments	170	0
Ending Balance	237,922	233,851
Progressive
Goodwill [Roll Forward]
Beginning Balance	290,605	289,184
Acquisitions	0	0
Disposals		0
Disposals, Currency Translation and Other Adjustments	(1,804)
Acquisition Accounting Adjustments	0	1,421
Ending Balance	288,801	290,605
DAMI
Goodwill [Roll Forward]
Beginning Balance	290	0
Acquisitions	0	290
Disposals		0
Disposals, Currency Translation and Other Adjustments	0
Acquisition Accounting Adjustments	(290)	0
Ending Balance	0	290
HomeSmart
Goodwill [Roll Forward]
Beginning Balance	14,729	14,658
Acquisitions	0	229
Disposals		(158)
Disposals, Currency Translation and Other Adjustments	(14,729)
Acquisition Accounting Adjustments	0	0
Ending Balance	$ 0	$ 14,729

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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/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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- Definition

Amount of increase (decrease) from adjustments after acquisition date under purchase accounting 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
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-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=73531572&loc=d3e961-128460

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

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

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