Segments - Narrative (Details) $ in Thousands		3 Months Ended					9 Months Ended	12 Months Ended
	Jan. 29, 2016 USD ($)	Dec. 31, 2016 USD ($) Store	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2016 source	Dec. 31, 2016 USD ($) segments segment	Oct. 15, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($) store	May 13, 2016 Store
Segment Reporting Information [Line Items]
Number of operating segments | segments								5
Number of reportable segments | segment								5
Restructuring expenses		$ 15,500				$ 4,700		$ 20,218		$ 0	$ 9,140
Financial advisory and legal costs								0		0	13,661
Retirement and vacation charges				$ 3,700				0		0	9,094
Acquisition related costs								0		0	6,638
Gain (loss) related to litigation settlement								0		0	1,200
Progressive
Segment Reporting Information [Line Items]
Acquisition related costs											6,600
Operating Segments
Segment Reporting Information [Line Items]
Restructuring expenses											9,140
Operating Segments | Corporate Segment
Segment Reporting Information [Line Items]
Restructuring expenses								3,508			4,298
Operating Segments | Sales and Lease Ownership
Segment Reporting Information [Line Items]
Restructuring expenses											$ 4,836
Loss related to lease termination										3,500
Number of store closures | store											44
Operating Segments | Progressive
Segment Reporting Information [Line Items]
Acquisition related costs									$ 3,700
HomeSmart | Disposal Group, Held-for-sale, Not Discontinued Operations
Segment Reporting Information [Line Items]
Disposal group, number of stores | Store												82
HomeSmart | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Segment Reporting Information [Line Items]
Charge related to write down of disposal group				$ 4,600
Impairment of long-lived assets to be disposed of			$ 1,000					1,100
Disposal group, number of stores | Store												82
Other operating expense (income) | HomeSmart | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Segment Reporting Information [Line Items]
Charge related to write down of disposal group								4,300
Gain on sale of corporate office building	$ 11,100
2016 Restructuring Program | Facility Closing | Operating Segments
Segment Reporting Information [Line Items]
Restructuring expenses								$ 16,622
Number of store closures | Store		56
Subsidiaries | DAMI
Segment Reporting Information [Line Items]
Acquisition related costs					$ 2,700					$ 3,700
Business Combination, Sources of Financial and Leasing Transactions Acquired, Number | source							2