|
Other Borrowings (Details) (USD $)
|
Dec. 31, 2011
|
Dec. 31, 2010
|
|---|---|---|
| Assets Sold under Agreements to Repurchase [Line Items] | ||
| Available-for-sale Securities Pledged as Collateral | $ 420,243,000 | $ 458,532,000 |
|
Available-for-sale Securities [Member]
|
||
| Assets Sold under Agreements to Repurchase [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Carrying Amounts | 25,000,000 | |
| Assets Sold under Agreements to Repurchase, Interest Rate | 1.88% | |
|
Repurchase Agreements [Member]
|
||
| Assets Sold under Agreements to Repurchase [Line Items] | ||
| Available-for-sale Securities Pledged as Collateral | $ 28,900,000 |