Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 141,763	$ 73,339
Restricted cash (Note 7)	80	80
Accounts receivable	1,411	1,029
Receivable from affiliate (Note 18)	223	19
Mortgage notes receivable (Note 8)	154,449	74,594
Prepaid taxes	79	76
Prepaid expenses and other current assets	2,205	1,273
Deferred tax asset, net	4,556	2,058
Total current assets	304,766	152,468
Property and equipment, net (Note 4)	4,315	3,558
Deferred tax asset	151,224	162,195
Goodwill	3,712	3,712
Intangible assets, net (Note 5)	13,137	10,513
Other noncurrent assets	1,297	704
Total assets	478,451	333,150
Current liabilities:
Current portion of long-term debt (Note 7)	269	166
Warehouse line of credit (Note 8)	154,449	74,594
Accrued compensation and related taxes	30,828	14,169
Accounts payable	1,670	1,071
Current portion of payable under the tax receivable agreement (Note 13)	17,876	6,288
Other current liabilities	7,227	3,365
Total current liabilities	212,319	99,653
Deferred rent credit	3,508	2,875
Payable under the tax receivable agreement (Note 13)	131,924	140,779
Other long-term liabilities	0	22
Long-term debt, less current portion (Note 7)	300	138
Total liabilities	348,051	243,467
Stockholders' equity:
Treasury stock, 118,357 and 110,540 shares at cost, respectively	(490)	(396)
Additional paid-in-capital	64,049	62,485
Retained earnings	62,914	22,895
Total parent stockholders' equity	126,833	85,332
Noncontrolling interest (Note14)	3,567	4,351
Total equity	130,400	89,683
Total liabilities and stockholders' equity	478,451	333,150
Common Stock [Member]
Stockholders' equity:
Total equity	360	348
Common Class A [Member]
Stockholders' equity:
Common stock	360	348
Common Class B [Member]
Stockholders' equity:
Common stock	$ 0	$ 0