Condensed Consolidated Balance Sheets (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Assets
Cash and cash equivalents	$ 137,309	$ 313,829
Restricted cash and cash equivalents	321,734	571,425
Securities available-for-sale, $690,336 and $728,558 pledged as collateral as of September 30, 2011 and December 31, 2010, respectively	786,195	838,894
Corporate loans, net of allowance for loan losses of $191,407 and $209,030 as of September 30, 2011 and December 31, 2010, respectively	6,115,948	5,857,816
Corporate loans held for sale	500,490	463,628
Residential mortgage-backed securities, at estimated fair value	88,209	93,929
Equity investments, at estimated fair value, $13,410 and $12,036 pledged as collateral as of September 30, 2011 and December 31, 2010, respectively	170,175	99,955
Derivative assets	26,066	19,519
Interest and principal receivable	59,917	57,414
Other assets	209,861	102,003
Total assets	8,415,904	8,418,412
Liabilities
Collateralized loan obligation secured debt	5,596,020	5,630,272
Credit facilities	38,300	18,400
Convertible senior notes	299,877	344,142
Junior subordinated notes	283,517	283,517
Accounts payable, accrued expenses and other liabilities	52,596	14,193
Accrued interest payable	15,987	22,846
Related party payable	3,687	12,988
Derivative liabilities	123,957	76,566
Total liabilities	6,787,368	6,775,364
Shareholders' Equity
Preferred shares, no par value, 50,000,000 shares authorized and none issued and outstanding at September 30, 2011 and December 31, 2010
Common shares, no par value, 500,000,000 shares authorized, and 178,145,482 and 177,848,565 shares issued and outstanding at September 30, 2011 and December 31, 2010, respectively
Paid-in-capital	2,758,891	2,756,200
Accumulated other comprehensive (loss) income	(37,413)	133,596
Accumulated deficit	(1,092,942)	(1,246,748)
Total shareholders' equity	1,628,536	1,643,048
Total liabilities and shareholders' equity	8,415,904	8,418,412
Affiliates
Liabilities
Collateralized loan obligation secured debt	365,848	366,124
Accrued interest payable	7,579	6,316
Non-affiliates
Liabilities
Collateralized loan obligation secured debt	$ 5,600,000	$ 5,600,000