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OTHER INTANGIBLE ASSETS (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2013 | Mar. 31, 2012 | Dec. 31, 2012
Changes in other intangible assets |  |  |
Balance, beginning of period | $ 37,499 |  |
Additions | 924 |  |
Amortization | (2,248) |  |
Balance, end of period | 36,175 |  |
Other disclosures |  |  |
Income generated as a result of new mortgage servicing rights reported as gains on sale of loans | 4,128 | 2,977 |
Gross carrying value, accumulated amortization and net carrying value related to intangible assets |  |  |
Gross Carrying Value | 97,305 |  | 98,081
Accumulated Amortization | (61,130) |  | (60,582)
Net Carrying Value | 36,175 |  |
Estimated Amortization Expense |  |  |
2013 (remainder) | 6,321 |  |
2014 | 7,718 |  |
2015 | 7,154 |  |
2016 | 6,666 |  |
2017 | 6,285 |  |
2018 | 2,031 |  |
Net Carrying Value | 36,175 |  |
Core Deposit Premium |  |  |
Changes in other intangible assets |  |  |
Balance, beginning of period | 15,378 |  |
Amortization | (669) |  |
Balance, end of period | 14,709 |  |
Gross carrying value, accumulated amortization and net carrying value related to intangible assets |  |  |
Gross Carrying Value | 44,642 |  | 44,642
Accumulated Amortization | (29,933) |  | (29,264)
Net Carrying Value | 14,709 |  |
Estimated Amortization Expense |  |  |
2013 (remainder) | 2,006 |  |
2014 | 2,674 |  |
2015 | 2,674 |  |
2016 | 2,674 |  |
2017 | 2,674 |  |
2018 | 2,007 |  |
Net Carrying Value | 14,709 |  |
Mortgage Servicing Rights |  |  |
Changes in other intangible assets |  |  |
Balance, beginning of period | 22,121 |  |
Additions | 924 |  |
Amortization | (1,579) | (100) |
Balance, end of period | 21,466 |  |
Other disclosures |  |  |
Income generated as a result of new mortgage servicing rights reported as gains on sale of loans | 900 | 1,200 |
Fair market value and key assumptions used in determining the fair market value |  |  |
Fair market value, beginning of period | 22,356 | 23,149 |
Fair market value, end of period | 21,595 | 23,275 |
Weighted average discount rate (as a percent) | 8.00% | 8.50% |
Weighted average prepayment speed assumption (as a percent) | 14.10% | 14.00% |
Gross carrying value, accumulated amortization and net carrying value related to intangible assets |  |  |
Gross Carrying Value | 52,663 |  | 51,739
Accumulated Amortization | (31,197) |  | (29,618)
Net Carrying Value | 21,466 |  |
Estimated Amortization Expense |  |  |
2013 (remainder) | 4,315 |  |
2014 | 5,044 |  |
2015 | 4,480 |  |
2016 | 3,992 |  |
2017 | 3,611 |  |
2018 | 24 |  |
Net Carrying Value | 21,466 |  |
Customer Relationships |  |  |
Gross carrying value, accumulated amortization and net carrying value related to intangible assets |  |  |
Gross Carrying Value |  |  | 1,400
Accumulated Amortization |  |  | (1,400)
Non-compete Agreements |  |  |
Gross carrying value, accumulated amortization and net carrying value related to intangible assets |  |  |
Gross Carrying Value |  |  | 300
Accumulated Amortization |  |  | $ (300)

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- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + 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 (bbb) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition This element represents the sum of all intangible assets having statutory or estimated useful lives. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 33 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans and leases that were sold during the reporting period. This element refers to the gain (loss) and not to the cash proceeds of the sales. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 26, 31 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 + Details
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