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Subsequent Events	9 Months Ended
Subsequent Events	Sep. 30, 2017
Subsequent Events [Abstract]
Subsequent Events [Text Block]	Subsequent Events Subsequent events represent events or transactions occurring after the balance sheet date but before the financial statements are issued. Financial statements are considered “issued” when they are widely distributed to shareholders and others for general use and reliance in a form and format that complies with GAAP. Events occurring subsequent to September 30, 2017 have been evaluated as to their potential impact to the consolidated financial statements. On October 18, 2017, the Company declared a regular quarterly cash dividend of $0.29 per share, payable November 8, 2017, to stockholders of record on October 28, 2017. On October 18, 2017, the Company's Board of Directors voted to terminate Union Bank’s Defined Benefit Pension Plan. Benefit accruals have been frozen and the Plan closed to new participants since October 5, 2012. The termination of the Plan is expected to take affect in the fourth quarter of 2018. See Note 9.