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CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical) - USD ($) $ in Thousands | Mar. 31, 2016 | Dec. 31, 2015
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Statement of Financial Position [Abstract] |  |
Investment securities available-for-sale, amortized cost (in dollars) | $ 787,062 | $ 781,232
Preferred stock; no par value (in dollars per share) | $ 0 | $ 0
Preferred stock, Authorized shares | 10,000,000 | 10,000,000
Preferred stock, issued shares | 0 | 0
Preferred stock, outstanding shares | 0 | 0
Common stock; no par value (in dollars per share) | $ 0 | $ 0
Common stock, Authorized shares | 40,000,000 | 40,000,000
Common stock, issued shares | 28,205,674 | 28,205,674
Cost of common stock in treasury, shares | 2,356,417 | 2,178,090

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- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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