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Disclosures about fair value of assets and liabilities (Details 1) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012
Schedule of fair value transfer among levels |
Reason for Transfer (a) | Valuation determined by widely accepted techniques including discounted cash flow analysis on expected cash flows of each derivative and observable market rate inputs such as yield curves and contractual terms on each instrument.
Reason for Transfer (b) | Valuation determined by quoted prices for similar loans in the secondary market with an expected fallout rate (interest rate locked pipeline loans not expected to close). Fallout rate is not considered a significant input to the fair value in its entirety.
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |
Schedule of fair value transfer among levels |
Transfers out to Level 1, 2, and 3 |
Significant Other Observable Inputs (Level 2) [Member] |
Schedule of fair value transfer among levels |
Transfers out to Level 1, 2, and 3 | 53,886
Significant Unobservable Inputs (Level 3) [Member] |
Schedule of fair value transfer among levels |
Transfers out to Level 1, 2, and 3 |
Hedged loans [Member] |
Schedule of fair value transfer among levels |
Transfers out to Level 1, 2, and 3 | (59,911)
Hedged loans [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |
Schedule of fair value transfer among levels |
Transfers out to Level 1, 2, and 3 |
Hedged loans [Member] | Significant Other Observable Inputs (Level 2) [Member] |
Schedule of fair value transfer among levels |
Transfers out to Level 1, 2, and 3 | 59,911
Hedged loans [Member] | Significant Unobservable Inputs (Level 3) [Member] |
Schedule of fair value transfer among levels |
Transfers out to Level 1, 2, and 3 |
Forward sale commitments [Member] |
Schedule of fair value transfer among levels |
Transfers out to Level 1, 2, and 3 | (510)
Forward sale commitments [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |
Schedule of fair value transfer among levels |
Transfers out to Level 1, 2, and 3 |
Forward sale commitments [Member] | Significant Other Observable Inputs (Level 2) [Member] |
Schedule of fair value transfer among levels |
Transfers out to Level 1, 2, and 3 | 510
Forward sale commitments [Member] | Significant Unobservable Inputs (Level 3) [Member] |
Schedule of fair value transfer among levels |
Transfers out to Level 1, 2, and 3 |
Interest rate swap agreements [Member] |
Schedule of fair value transfer among levels |
Transfers out to Level 1, 2, and 3 | 6,464
Interest rate swap agreements [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |
Schedule of fair value transfer among levels |
Transfers out to Level 1, 2, and 3 |
Interest rate swap agreements [Member] | Significant Other Observable Inputs (Level 2) [Member] |
Schedule of fair value transfer among levels |
Transfers out to Level 1, 2, and 3 | (6,464)
Interest rate swap agreements [Member] | Significant Unobservable Inputs (Level 3) [Member] |
Schedule of fair value transfer among levels |
Transfers out to Level 1, 2, and 3 |
Commitments to originate loans [Member] |
Schedule of fair value transfer among levels |
Transfers out to Level 1, 2, and 3 | 71
Commitments to originate loans [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |
Schedule of fair value transfer among levels |
Transfers out to Level 1, 2, and 3 |
Commitments to originate loans [Member] | Significant Other Observable Inputs (Level 2) [Member] |
Schedule of fair value transfer among levels |
Transfers out to Level 1, 2, and 3 | (71)
Commitments to originate loans [Member] | Significant Unobservable Inputs (Level 3) [Member] |
Schedule of fair value transfer among levels |
Transfers out to Level 1, 2, and 3 |

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- Definition Description of the transfers of financial instruments classified in shareholders' equity measured on a recurring basis out of level 1 and into level 2 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Disclosures concerning the reasons for transfers into Level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy. + References No definition available. + Details
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