Derivative Financial Instruments Derivative Financial Instruments (Summary Amounts Included in Consolidated Statement of Income Related to Derivatives) (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |
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Dec. 31, 2012
|
Dec. 31, 2011
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|
Interest Rate Swaps and Caps [Member] | Other Income [Member]
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Derivative Instruments, Gain (Loss) [Line Items] | ||
Income related to derivative instruments not designated in hedge relationships | $ (1,974) | $ 42 |
Mortgage Banking Derivatives [Member] | Mortgage Banking Revenue [Member]
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Derivative Instruments, Gain (Loss) [Line Items] | ||
Income related to derivative instruments not designated in hedge relationships | 1,659 | (1,301) |
Call Options Written [Member] | Fees From Covered Call Options [Member]
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Derivative Instruments, Gain (Loss) [Line Items] | ||
Income related to derivative instruments not designated in hedge relationships | 10,476 | 13,570 |
Foreign Exchange Contract [Member] | Other Income [Member]
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Derivative Instruments, Gain (Loss) [Line Items] | ||
Income related to derivative instruments not designated in hedge relationships | $ 12 | $ 0 |