Investment in Unconsolidated LLCs Investment in Unconsolidated LLCs Balance Sheet Information (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Equity Method Investments and Joint Ventures [Abstract]
Single-family lots, land and land development costs (a)	$ 60,085	$ 48,779
Other assets	(232)	199
Total assets	59,853	48,978
Notes payable	10,436	3,250
Other liabilities	324	159
Total liabilities	10,760	3,409
Company’s equity (a)	24,264	22,505
Other equity	24,829	23,064
Total partners’ equity	49,093	45,569
Total liabilities and partners’ equity	$ 59,853	$ 48,978