Unaudited Condensed Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Available for sale, amortized cost	$ 391,093	$ 427,831
Equity investments, amortized cost	1,581	864
Held to maturity, fair value	$ 2,868	$ 3,478
Common stock, par value (in dollars per share)	$ 0.125	$ 0.125
Common stock, shares authorized (in shares)	14,608,000	14,608,000
Common stock, shares issued (in shares)	7,521,101	7,517,446
Common stock, shares outstanding (in shares)	7,521,101	7,517,446

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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