Condensed Consolidated Statements of Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Total Starwood Property Trust, Inc. Stockholders' Equity	Common stock	Additional Paid-In Capital	Treasury Stock	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Non-Controlling Interests
Balance at Dec. 31, 2012	$ 2,797,205	$ 2,719,346	$ 1,361	$ 2,721,353	$ (10,642)	$ (72,401)	$ 79,675	$ 77,859
Balance (in shares) at Dec. 31, 2012			136,125,356		625,850
Increase (Decrease) in Stockholders' Equity
Proceeds from public offering of common stock	822,368	822,368	305	822,063
Proceeds from public offering of common stock (in shares)			30,475,000
Equity offering costs	(617)	(617)		(617)
Convertible senior notes	28,107	28,107		28,107
Stock-based compensation	8,829	8,829	4	8,825
Stock-based compensation (in shares)			350,002
Manager incentive fee paid in stock	365	365		365
Manager incentive fee paid in stock (in shares)			13,188
Net income	124,935	122,697				122,697		2,238
Dividends declared, $0.90 and $0.48 per share for period ended June 30, 2013 and 2014, respectively	(137,046)	(137,046)				(137,046)
Other comprehensive income (loss), net	(19,390)	(19,390)					(19,390)
Non-controlling interest assumed through LNR acquisition	8,277							8,277
Contributions from non-controlling interests	1,007							1,007
Distribution to non-controlling interests	(47,534)							(47,534)
Balance at Jun. 30, 2013	3,586,506	3,544,659	1,670	3,580,096	(10,642)	(86,750)	60,285	41,847
Balance (in shares) at Jun. 30, 2013			166,963,546		625,850
Balance at Dec. 31, 2013	4,327,133	4,282,528	1,961	4,300,479	(10,642)	(84,719)	75,449	44,605
Balance (in shares) at Dec. 31, 2013	196,139,045		196,139,045		625,850
Increase (Decrease) in Stockholders' Equity
Proceeds from public offering of common stock	564,695	564,695	253	564,442
Proceeds from public offering of common stock (in shares)			25,300,000
Proceeds from ATM Agreement	18,346	18,346	8	18,338
Proceeds from ATM Agreement (in shares)			759,000
Proceeds from DRIP Plan	12	12		12
Proceeds from DRIP Plan (in shares)			481
Equity offering costs	(1,636)	(1,636)		(1,636)
Stock-based compensation	14,731	14,731	7	14,724
Stock-based compensation (in shares)			735,014
Manager incentive fee paid in stock	6,962	6,962	3	6,959
Manager incentive fee paid in stock (in shares)			290,604
Net income	241,263	238,469				238,469		2,794
Dividends declared, $0.90 and $0.48 per share for period ended June 30, 2013 and 2014, respectively	(203,436)	(203,436)				(203,436)
Spin-off of SWAY	(1,120,337)	(1,118,743)		(1,118,743)				(1,594)
Other comprehensive income (loss), net	(487)	(487)					(487)
VIE non-controlling interests	996							996
Distribution to non-controlling interests	(33,409)							(33,409)
Balance at Jun. 30, 2014	$ 3,814,833	$ 3,801,441	$ 2,232	$ 3,784,575	$ (10,642)	$ (49,686)	$ 74,962	$ 13,392
Balance (in shares) at Jun. 30, 2014	223,224,144		223,224,144		625,850