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Shareholders' Equity | 9 Months Ended
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Sep. 30, 2017
Stockholders' Equity Note [Abstract] |
Shareholders' Equity | Shareholders’ Equity Preferred Stock: In conjunction with the 2013 acquisition of West Coast Bancorp, the Company issued 8,782 shares of mandatorily convertible cumulative participating preferred stock, Series B (“Series B Preferred Stock”). On January 12, 2017, all outstanding shares of Series B Preferred Stock were converted to Company common stock. Dividends: On January 26, 2017, the Company declared a quarterly cash dividend of $0.22 per common share payable on February 22, 2017 to shareholders of record at the close of business on February 8, 2017. On April 27, 2017, the Company declared a regular quarterly cash dividend of $0.22 per common share payable on May 24, 2017 to shareholders of record at the close of business on May 10, 2017. On July 27, 2017, the Company declared a regular quarterly cash dividend of $0.22 per common share payable on August 23, 2017 to shareholders of record at the close of business on August 9, 2017. Subsequent to quarter end, on October 19, 2017, the Company declared a regular quarterly cash dividend of $0.22 per common share payable on November 14, 2017 to shareholders of record at the close of business on October 31, 2017. The payment of cash dividends is subject to federal regulatory requirements for capital levels and other restrictions. In addition, the cash dividends paid by Columbia Bank to the Company are subject to both federal and state regulatory requirements.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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