Borrowings (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Composition of outstanding borrowings
Credit facilities	$ 0	$ 67,508
Term debt	697,910	979,254
Other borrowings:
Convertible debt, net	528,909	523,650
Subordinated debt	440,168	437,286
FHLB SF borrowings	480,000	412,000
Notes payable	2,906	2,948
Total other borrowings	1,451,983	1,375,884
Total borrowings	$ 2,149,893	$ 2,422,646

Composition of outstanding borrowings.

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Other borrowings.

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Total outstanding borrowings as of the reporting date.

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Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.

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The aggregate carrying amount of all Federal Home Loan Bank loans (advances).

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Amount borrowed under the credit facility as of the balance sheet date.

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Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date. May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any.

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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The carrying amount as of the balance sheet date for the aggregate of other miscellaneous borrowings owed by the reporting entity.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

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