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FAIR VALUES OF FINANCIAL INSTRUMENTS: (Details 1) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011
Reconciliation and income statement classification of gains and losses for all assets measured at fair value on a recurring basis using significant unobservable inputs |  |
Beginning balance | $ 16,007 | $ 3,708
Total realized/unrealized gains or losses - Included in earnings | (542) | 0
Total realized/unrealized gains or losses - Included in other comprehensive income | 1,556 | 2,774
Settlements | (2,174) | (147)
Ending balance | 16,033 | 16,007
Transfers & Purchases | 1,186 | 9,672
Equity Securities |  |
Reconciliation and income statement classification of gains and losses for all assets measured at fair value on a recurring basis using significant unobservable inputs |  |
Beginning balance | 1,711 | 1,518
Total realized/unrealized gains or losses - Included in earnings | (446) | 0
Total realized/unrealized gains or losses - Included in other comprehensive income | 0 | 193
Settlements | (1,265) | 0
Ending balance | 0 | 1,711
State and Municipal Obligations |  |
Reconciliation and income statement classification of gains and losses for all assets measured at fair value on a recurring basis using significant unobservable inputs |  |
Beginning balance | 9,525 |
Settlements | (800) | (147)
Ending balance | 9,911 | 9,525
Transfers & Purchases | 1,186 | 9,672
Collateralized Debt Obligations |  |
Reconciliation and income statement classification of gains and losses for all assets measured at fair value on a recurring basis using significant unobservable inputs |  |
Beginning balance | 4,771 | 2,190
Total realized/unrealized gains or losses - Included in earnings | (96) |
Total realized/unrealized gains or losses - Included in other comprehensive income | 1,556 | 2,581
Settlements | (109) | 0
Ending balance | $ 6,122 | $ 4,771

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- Definition Amount of gain (loss) recognized in earnings, arising from assets measured at fair value on a recurring basis using unobservable inputs (level 3). + 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)(1) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition Amount of gain (loss) recognized in other comprehensive income, arising from assets measured at fair value on a recurring basis using unobservable inputs (level 3). + 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)(1a) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition Settlements that have taken place during the period in relation to assets measured at fair value and categorized within 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)(2) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition This element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances. + 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) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c -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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