Borrowed Funds (Summary Of Comparative Data For Securities Sold Under Agreements To Repurchase) (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |||||||||||
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2009
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Federal Funds Purchased [Member]
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Borrowed Funds [Line Items] | ||||||||||||
Average amount outstanding during the year | $ 27 | [1] | $ 8,392 | [1] | ||||||||
Maximum amount outstanding at month-end | 85,000 | [2] | ||||||||||
Balance, December 31 | ||||||||||||
Weighted-average interest rate for the year | 1.29% | 0.00% | 0.27% | |||||||||
Securities Sold Under Agreements To Repurchase [Member]
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Borrowed Funds [Line Items] | ||||||||||||
Average amount outstanding during the year | 1,448,363 | [1] | 1,560,215 | [1] | 1,562,447 | [1] | ||||||
Maximum amount outstanding at month-end | 1,559,000 | [3] | 1,566,000 | [3] | 1,587,000 | [3] | ||||||
Balance, December 31 | $ 1,400,000 | $ 1,561,000 | $ 1,557,000 | |||||||||
Rate at year-end | 4.14% | 4.18% | 4.19% | |||||||||
Weighted-average interest rate for the year | 4.19% | 4.24% | 4.17% | |||||||||
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