Summary of Carrying Value of Goodwill by Operating Segment (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Goodwill [Roll Forward]
Beginning Balance	$ 239,181us-gaap_Goodwill	$ 234,195us-gaap_Goodwill
Acquisitions	281,587us-gaap_GoodwillAcquiredDuringPeriod	5,429us-gaap_GoodwillAcquiredDuringPeriod
Disposals	(1,321)	(499)
Purchase Price Adjustments	11,223	56
Ending Balance	530,670us-gaap_Goodwill	239,181us-gaap_Goodwill
Sales and Lease Ownership
Goodwill [Roll Forward]
Beginning Balance	224,523	219,547
Acquisitions	3,629	5,429
Disposals	(1,321)	(499)
Purchase Price Adjustments	(3)	46
Ending Balance	226,828	224,523
Progressive
Goodwill [Roll Forward]
Beginning Balance	0	0
Acquisitions	277,958	0
Disposals	0	0
Purchase Price Adjustments	11,226	0
Ending Balance	289,184	0
HomeSmart
Goodwill [Roll Forward]
Beginning Balance	14,658	14,648
Acquisitions	0	0
Disposals	0	0
Purchase Price Adjustments	0	10
Ending Balance	$ 14,658	$ 14,658

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 25

-Paragraph 16

-URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e961-128460

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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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