Operating Segments (Tables)

12 Months Ended

Dec. 31, 2017

Segment Reporting [Abstract]

Reconciliation of Operating Profit (Loss) from Segments to Consolidated

Information on each of the reportable and other segments and reconciliation to consolidated net income (loss) is as follows:

	Year End December 31,
	2015			2016			2017
Real estate
Revenue	$	181,446		$	260,383		$	351,570
Cost of revenue	131,522			176,408			237,832
Gross profit	$	49,924		$	83,975		$	113,738
Other
Revenue	5,892			6,813			18,466
Cost of revenue	6,970			8,044			20,384
Gross profit	$	(1,078	)	$	(1,231	)	$	(1,918	)
Consolidated
Revenue	187,338			267,196			370,036
Cost of revenue	138,492			184,452			258,216
Gross profit	$	48,846		$	82,744		$	111,820
Operating expenses	79,135			105,528			127,792
Net income (loss)	$	(30,236	)	$	(22,526	)	$	(15,002	)

Schedule of Real Estate Revenue

Real estate revenue consisted of the following:

	Year End December 31,
	2015		2016		2017
Real estate revenue
Brokerage revenue	$	171,276	$	244,079	$	330,372
Partner revenue	10,170		16,304		21,198
Total real estate revenue	$	181,446	$	260,383	$	351,570