Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Assets:
Cash and cash equivalents	$ 114,027	$ 226,854
Receivable for securities sold		22,214
Loans held for investment	2,268,599	1,230,783
Loans held for sale at fair value	128,593	144,163
Loans held in securitization trust	50,316	50,297
Mortgage backed securities, available-for-sale, at fair value	341,734	397,680
Other investments	44,379	14,177
Accrued interest receivable	15,176	9,564
Derivative assets	12,816	337
Other assets	21,807	5,336
Total Assets	2,997,447	2,101,405
Liabilities:
Payable for unsettled securities purchased		47,178
Accounts payable and accrued expenses	5,051	5,527
Related-party payable	8,348	5,050
Dividends payable	41,431	29,081
Derivative liabilities	19,652	9,400
Secured financing agreements, net	1,103,517	579,659
Collateralized debt obligation in securitization trust	53,199	54,086
Deferred offering costs		27,195
Other liabilities	1,102	7,000
Total Liabilities	1,232,300	764,176
Commitments and contingencies (Note 14)
Starwood Property Trust, Inc. Stockholders' Equity:
Preferred stock, $0.01 per share, 100,000,000 shares authorized, no shares issued and outstanding
Common stock, $0.01 per share, 500,000,000 shares authorized, 93,811,351 issued and 93,185,501 outstanding as of December 31, 2011, and 71,021,342 issued and outstanding as of December 31, 2010	938	706
Additional paid-in capital	1,828,319	1,337,953
Treasury stock (625,850 and nil shares as of December 31, 2011 and December 31, 2010 respectively)	(10,642)
Accumulated other comprehensive (loss) income	(3,998)	8,203
Accumulated deficit	(55,129)	(19,302)
Total Starwood Property Trust, Inc. Stockholders' Equity	1,759,488	1,327,560
Non-controlling interests in consolidated subsidiaries	5,659	9,669
Total Equity	1,765,147	1,337,229
Total Liabilities and Stockholders' Equity	$ 2,997,447	$ 2,101,405