Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Inventory impairments	$ (550)	$ (4,850)
Other-than-temporary impairment of marketable securities		(100)
Pretax income	50,532	36,360
Income before income taxes	50,532	36,360
Provision for income taxes	(11,768)	(14,111)
Net income	38,764	22,249
Other comprehensive income related to available for sale securities, net of tax		1,986
Comprehensive income	$ 38,764	$ 24,235
Earnings per share:
Basic (in dollars per share)	$ 0.69	$ 0.40
Diluted (in dollars per share)	$ 0.68	$ 0.40
Weighted average common shares outstanding:
Basic (in shares)	55,871,087	55,448,161
Diluted (in shares)	56,895,892	55,717,218
Dividends declared per share (in dollars per share)	$ 0.30	$ 0.23
Homebuilding Segment [Member]
Revenues	$ 607,688	$ 563,726
Cost of sales	(497,182)	(474,003)
Inventory impairments	(550)	(4,850)
Gross profit	110,506	89,723
Selling, general, and administrative expenses	(71,341)	(66,298)
Interest and other income	1,859	2,327
Other expense	(563)	(351)
Other-than-temporary impairment of marketable securities		(50)
Pretax income	40,461	25,351
Income before income taxes	40,461	25,351
Homebuilding Segment [Member] | Home Building [Member]
Revenues	607,688	563,479
Cost of sales	(496,632)	(468,942)
Homebuilding Segment [Member] | Land [Member]
Revenues		247
Cost of sales		(211)
Financial Services Segment [Member]
Revenues	19,035	17,979
Other expense	(1,153)
Other-than-temporary impairment of marketable securities		(51)
Pretax income	10,071	11,009
Expenses	(8,831)	(7,898)
Interest and other income	1,020	979
Income before income taxes	$ 10,071	$ 11,009