Consolidated Statements of Stockholders' Equity (Parentheticals) (unaudited) - $ / shares	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017
Consolidated Statements of Stockholders' Equity
Number of shares issued for trust preferred securities conversions		529,292
Cash dividend declared (in dollars per share)	$ 0.46	$ 0.46

Number of shares issued during the period as a result of the conversion of convertible securities.

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