Description of Business and Summary of Significant Accounting Policies (Details) $ / shares in Units, $ in Thousands			1 Months Ended
	Aug. 02, 2017 USD ($) $ / shares shares	Jul. 10, 2017	Apr. 30, 2017 USD ($)	Sep. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Common stock issued upon conversion (in shares) | shares	55,422,002
Conversion basis	1
Deferred offering costs	$ 3,799			$ 0	$ 720
Proceeds from landlord reimbursements			$ 8,470
Home inventories				5,399	0
Home inventories, active listings				2,658
Home inventories, in process				$ 2,741
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reverse split of shares, conversion ratio		3
Cumulative stock-based compensation adjustment (see Note 1)					0
Accumulated Deficit
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative stock-based compensation adjustment (see Note 1)					(522)
Accounting Standards Update 2016-09 | Accumulated Deficit
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative stock-based compensation adjustment (see Note 1)					$ 552
IPO
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Shares sold in offering (in shares) | shares	10,615,650
Offering price (in dollars per share) | $ / shares	$ 15.00
Net proceeds from stock offering	$ 144,289
Over-Allotment Option
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Shares sold in offering (in shares) | shares	1,384,650