CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
ASSETS
Investment securities, held-to-maturity, fair value	$ 91,787	$ 91,599
SHAREHOLDERS' EQUITY
Common stock, authorized (in shares)	75,000,000	75,000,000
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00
Common stock, issued (in shares)	55,419,204	37,861,218
Treasury stock (in shares)	100,000	100,000