Segment Information - Schedule of Segment Financial Information Relating to Operations (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Operating revenue
Total operating revenue		$ 465,469	$ 519,452	$ 921,333	$ 892,820
Income before provision for income taxes (1) :
Income before provision for income taxes		18,287	35,012	38,317	50,414
Financial services income (loss)		(834)	533	78	1,465
Income before extinguishment of debt		18,287	35,012	37,934	50,414
Gain on extinguishment of debt		0	0	383	0
Corporate
Income before provision for income taxes (1) :
Income before provision for income taxes		(16,649)	(14,631)	(30,923)	(30,409)
California
Operating revenue
Total operating revenue	[1]	167,811	174,453	353,929	309,265
California | Reportable Operating Segments
Income before provision for income taxes (1) :
Income before provision for income taxes		10,134	13,773	26,239	25,192
Arizona
Operating revenue
Total operating revenue		35,012	38,764	64,606	70,803
Arizona | Reportable Operating Segments
Income before provision for income taxes (1) :
Income before provision for income taxes		3,750	4,873	6,243	7,360
Nevada
Operating revenue
Total operating revenue		34,576	46,213	72,281	95,389
Nevada | Reportable Operating Segments
Income before provision for income taxes (1) :
Income before provision for income taxes		2,044	6,402	6,236	11,241
Colorado
Operating revenue
Total operating revenue		66,907	62,437	122,943	102,500
Colorado | Reportable Operating Segments
Income before provision for income taxes (1) :
Income before provision for income taxes		8,210	5,617	14,234	8,781
Washington
Operating revenue
Total operating revenue		59,120	85,490	103,060	141,141
Washington | Reportable Operating Segments
Income before provision for income taxes (1) :
Income before provision for income taxes		4,693	11,030	5,755	15,342
Oregon
Operating revenue
Total operating revenue		34,409	66,221	85,496	113,074
Oregon | Reportable Operating Segments
Income before provision for income taxes (1) :
Income before provision for income taxes		2,300	7,090	4,252	10,683
Texas
Operating revenue
Total operating revenue		67,634	45,874	119,018	60,648
Texas | Reportable Operating Segments
Income before provision for income taxes (1) :
Income before provision for income taxes		$ 4,639	$ 325	$ 5,820	$ 759

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