Supplemental Guarantor Information (Details 4) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
ASSETS
Cash and cash equivalents	$ 155,692	$ 159,113
Marketable securities and restricted cash	458,913	404,065
Consolidated inventory owned	1,037,928	744,060
Consolidated inventory not owned	39,490	51,400
Total housing inventories	1,077,418	795,460
Other assets	239,416	185,182
Assets of discontinued operations	2,480	35,324
TOTAL ASSETS	1,933,919	1,579,144
LIABILITIES
Accounts payable and other accrued liabilities	272,155	215,257
Financial services credit facility	0	49,933
Debt	1,134,468	823,827
Intercompany payables	0	0
Liabilities of discontinued operations	1,536	6,217
TOTAL LIABILITIES	1,408,159	1,095,234
EQUITY
STOCKHOLDERS' EQUITY	503,936	449,687	499,856	581,862
NONCONTROLLING INTEREST	21,824	34,223	61,806
TOTAL LIABILITIES AND EQUITY	1,933,919	1,579,144
TRG, INC.
ASSETS
Cash and cash equivalents	29,735	25,403
Marketable securities and restricted cash	431,452	370,975
Consolidated inventory owned	643,619	470,269
Consolidated inventory not owned	17,666	17,177
Total housing inventories	661,285	487,446
Investment in subsidiaries	244,917	230,432
Intercompany receivables	368,126	226,521
Other assets	76,183	56,758
Assets of discontinued operations	187	8,853
TOTAL ASSETS	1,811,885	1,406,388
LIABILITIES
Accounts payable and other accrued liabilities	172,906	131,879
Financial services credit facility	0	0
Debt	1,134,468	822,639
Intercompany payables	0	0
Liabilities of discontinued operations	575	2,183
TOTAL LIABILITIES	1,307,949	956,701
EQUITY
STOCKHOLDERS' EQUITY	503,936	449,687
NONCONTROLLING INTEREST	0	0
TOTAL LIABILITIES AND EQUITY	1,811,885	1,406,388
GUARANTOR SUBSIDIARIES
ASSETS
Cash and cash equivalents	117,838	117,072
Marketable securities and restricted cash	0	0
Consolidated inventory owned	394,309	273,791
Consolidated inventory not owned	0	0
Total housing inventories	394,309	273,791
Other assets	43,572	34,045
Assets of discontinued operations	2,293	26,471
TOTAL ASSETS	558,012	451,379
LIABILITIES
Accounts payable and other accrued liabilities	68,929	48,750
Financial services credit facility	0	0
Debt	0	1,188
Intercompany payables	275,163	196,767
Liabilities of discontinued operations	961	4,034
TOTAL LIABILITIES	345,053	250,739
EQUITY
STOCKHOLDERS' EQUITY	212,959	200,640
NONCONTROLLING INTEREST	0	0
TOTAL LIABILITIES AND EQUITY	558,012	451,379
NON-GUARANTOR SUBSIDIARIES
ASSETS
Cash and cash equivalents	8,119	16,638
Marketable securities and restricted cash	27,461	33,090
Consolidated inventory owned	0	0
Consolidated inventory not owned	21,824	34,223
Total housing inventories	21,824	34,223
Other assets	119,661	94,379
Assets of discontinued operations	0	0
TOTAL ASSETS	177,065	178,330
LIABILITIES
Accounts payable and other accrued liabilities	30,320	34,628
Financial services credit facility	0	49,933
Debt	0	0
Intercompany payables	92,963	29,754
Liabilities of discontinued operations	0	0
TOTAL LIABILITIES	123,283	114,315
EQUITY
STOCKHOLDERS' EQUITY	31,958	29,792
NONCONTROLLING INTEREST	21,824	34,223
TOTAL LIABILITIES AND EQUITY	177,065	178,330
CONSOLIDATING ELIMINATIONS
ASSETS
Cash and cash equivalents	0	0
Marketable securities and restricted cash	0	0
Consolidated inventory owned	0	0
Consolidated inventory not owned	0	0
Total housing inventories	0	0
Investment in subsidiaries	(244,917)	(230,432)
Intercompany receivables	(368,126)	(226,521)
Other assets	0	0
Assets of discontinued operations	0	0
TOTAL ASSETS	(613,043)	(456,953)
LIABILITIES
Accounts payable and other accrued liabilities	0	0
Financial services credit facility	0	0
Debt	0	0
Intercompany payables	(368,126)	(226,521)
Liabilities of discontinued operations	0	0
TOTAL LIABILITIES	(368,126)	(226,521)
EQUITY
STOCKHOLDERS' EQUITY	(244,917)	(230,432)
NONCONTROLLING INTEREST	0	0
TOTAL LIABILITIES AND EQUITY	$ (613,043)	$ (456,953)