|
Fair Value Of Financial Instruments (Narrative)(Details) (USD $)
In Thousands, unless otherwise specified |
Sep. 30, 2012
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Dec. 31, 2011
|
Sep. 30, 2011
|
|---|---|---|---|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | |||
| Trust preferred securities amotized cost | $ 255,608 | $ 267,161 | |
| Available-for-sale Securities | 235,331 | 245,023 | |
| Fair Value, Assets, Level 1 to Level 2 Transfers, Amount | 0 | 0 | |
| Fair Value, Assets, Level 2 to Level 1 Transfers, Amount | 0 | 0 | |
|
Collateralized debt obligations [Member]
|
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| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | |||
| Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | 18 | ||
| Trust preferred securities amotized cost | 36,672 | 36,385 | |
| Available-for-sale Securities | $ 10,032 | $ 9,447 |