Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Inventory impairments	$ 0	$ (200)	$ (610)	$ (750)
Pretax income	74,331	76,616	129,937	127,148
Provision for income taxes	(19,738)	(12,717)	(34,794)	(24,485)
Net income	54,593	63,899	95,143	102,663
Comprehensive income	$ 54,593	$ 63,899	$ 95,143	$ 102,663
Earnings per share:
Basic (in dollars per share)	$ 0.88	$ 1.05	$ 1.55	$ 1.69
Diluted (in dollars per share)	$ 0.86	$ 1.03	$ 1.50	$ 1.66
Weighted average common shares outstanding:
Basic (in shares)	61,336,404	60,590,899	61,138,982	60,466,527
Diluted (in shares)	63,323,267	61,604,286	63,023,149	61,525,442
Dividends declared per share (in dollars per share)	$ 0.30	$ 0.28	$ 0.60	$ 0.56
Homebuilding Segment [Member]
Revenues	$ 732,844	$ 749,608	$ 1,380,122	$ 1,357,296
Cost of sales	(590,172)	(606,603)	(1,115,334)	(1,103,785)
Inventory impairments	0	(200)	(610)	(750)
Gross profit	142,672	143,005	264,788	253,511
Selling, general and administrative expenses	(82,712)	(81,571)	(164,973)	(152,912)
Interest and other income	2,764	1,774	5,155	3,633
Other expense	(1,110)	(871)	(2,301)	(1,434)
Pretax income	61,614	62,337	102,669	102,798
Homebuilding Segment [Member] | Home Building [Member]
Revenues	732,844	749,608	1,380,122	1,357,296
Cost of sales	(590,172)	(606,403)	(1,114,724)	(1,103,035)
Financial Services Segment [Member]
Revenues	18,597	21,372	36,001	40,407
Pretax income	12,717	14,279	27,268	24,350
Expenses	(9,574)	(9,611)	(18,531)	(18,442)
Interest and other income	1,367	1,240	2,631	2,260
Net gain on marketable equity securities	$ 2,327	$ 1,278	$ 7,167	$ 125