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International Operations (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Loans:
Accrued interest receivable	$ 32,002,000	$ 35,660,000
International banking services
Loans:
Commercial	185,287,000	195,208,000
Others	44,718,000	50,417,000
Total loans	230,005,000	245,625,000
Less allowance for probable loan losses	(1,359,000)	(437,000)
Net loans	228,646,000	245,188,000
Accrued interest receivable	1,064,000	1,331,000
Outstanding standby and commercial letters of credit	132,567,000
Revenues	$ 9,870,000	$ 11,423,000	$ 13,681,000

X

- Definition

Interest and fee income generated by commercial and consumer loans, made by foreign branches of the reporting entity, which may include loans to foreign governments, foreign banks and other financial institutions, commercial and industrial entities, and citizens of not domiciled in the same country as the reporting entity.

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The allowance for foreign loan and lease losses represents the reserve to cover probable credit losses related to specifically identified foreign loans and leases, as well as probable credit losses inherent in the remainder of the foreign loan portfolio as of the balance sheet date. For banks, include currently required allocated transfer risk reserves. Include carryover of or adjustments to the allowance for foreign loan losses in connection with business combinations determined to be appropriate.

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