Supplemental Guarantor Information Supplemental Guarantor Information - Income Statement (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenue	$ 324,370	$ 263,159
Land and housing	260,172	206,183
General and administrative	22,259	19,334
Selling	22,266	17,686
Equity in income of unconsolidated joint ventures	(307)	(198)
Interest	5,265	4,462
Total costs and expenses	309,655	247,467
Income before income taxes	14,715	15,692
Provision for income taxes	5,526	6,124
Equity In subsidiaries	0	0
Net income	9,189	9,568
Preferred Dividends	1,219	1,219
Net income to common shareholders	7,970	8,349
Parent [Member]
Revenue	0	0
Land and housing	0	0
General and administrative	0	0
Selling	0	0
Equity in income of unconsolidated joint ventures	0	0
Interest	0	0
Total costs and expenses	0	0
Income before income taxes	0	0
Provision for income taxes	0	0
Equity In subsidiaries	9,189	9,568
Net income	9,189	9,568
Preferred Dividends	1,219	1,219
Net income to common shareholders	7,970	8,349
Guarantor Subsidiaries [Member]
Revenue	314,317	255,062
Land and housing	260,172	206,183
General and administrative	18,302	16,386
Selling	22,266	17,686
Equity in income of unconsolidated joint ventures	0	0
Interest	4,881	4,131
Total costs and expenses	305,621	244,386
Income before income taxes	8,696	10,676
Provision for income taxes	3,444	4,392
Equity In subsidiaries	0	0
Net income	5,252	6,284
Preferred Dividends	0	0
Net income to common shareholders	5,252	6,284
Non-Guarantor Subsidiaries [Member]
Revenue	10,053	8,097
Land and housing	0	0
General and administrative	3,957	2,948
Selling	0	0
Equity in income of unconsolidated joint ventures	(307)	(198)
Interest	384	331
Total costs and expenses	4,034	3,081
Income before income taxes	6,019	5,016
Provision for income taxes	2,082	1,732
Equity In subsidiaries	0	0
Net income	3,937	3,284
Preferred Dividends	0	0
Net income to common shareholders	3,937	3,284
Corporate Elimination [Member]
Revenue	0	0
Land and housing	0	0
General and administrative	0	0
Selling	0	0
Equity in income of unconsolidated joint ventures	0	0
Interest	0	0
Total costs and expenses	0	0
Income before income taxes	0	0
Provision for income taxes	0	0
Equity In subsidiaries	(9,189)	(9,568)
Net income	(9,189)	(9,568)
Preferred Dividends	0	0
Net income to common shareholders	$ (9,189)	$ (9,568)