Mortgage Servicing Rights (Details 1) |
9 Months Ended | 12 Months Ended |
---|---|---|
Sep. 30, 2011 |
Dec. 31, 2010 |
|
Fixed Rate Residential Mortgage [Member] |
||
Assumption for Fair Value of MSRs | ||
Weighted-average option adjusted spread | 3.55% | 2.17% |
Weighted-average life, in years | 0.0382 | 0.0485 |
Adjustable [Member] |
||
Assumption for Fair Value of MSRs | ||
Weighted-average option adjusted spread | 6.00% | 5.12% |
Weighted-average life, in years | 0.0216 | 0.0229 |
X | ||||||||||
- Definition This represents the weighted-average option adjusted spread component of the economic assumptions used in the Option Adjusted Spread valuation approach used to determine the fair value of mortgage servicing rights which factors in prepayment risk.
|
X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
|
X | ||||||||||
- Definition The weighted average life of securitized assets. This is used as a key input and assumption in measuring the fair value of assets or liabilities that relate to a transferor's continuing involvement, if any, as of the date of the latest statement of financial position presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|