|
Accrued Interest Receivable Schedule of Accounts, Notes, Loans and Financing Receivable (Details) (USD $)
In Thousands, unless otherwise specified |
Sep. 30, 2012
|
Dec. 31, 2011
|
|---|---|---|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Interest Receivable | $ 46,919 | $ 23,437 |
|
Loans Held-for-sale, Mortgages [Member]
|
||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Interest Receivable | 96 | 38 |
|
US Treasury Securities [Member]
|
||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Interest Receivable | 166 | 1,003 |
|
Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) [Member]
|
||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Interest Receivable | 12,571 | 5,844 |
|
Federal National Mortgage Association Certificates and Obligations (FNMA) [Member]
|
||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Interest Receivable | 22,592 | 9,770 |
|
Government National Mortgage Association Certificates and Obligations (GNMA) [Member]
|
||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Interest Receivable | 8,613 | 4,454 |
|
Mortgage-backed Securities, Issued by Private Enterprises [Member]
|
||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Interest Receivable | 2,881 | 2,328 |
|
Available-for-sale Securities [Member]
|
||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Interest Receivable | $ 46,657 | $ 22,396 |