Consolidated Balance Sheet (Unaudited) (Parentheticals) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Held to maturity, fair value (in dollars)	$ 357,550	$ 371,658
Mortgage loans held for sale, at fair value	$ 279
Preferred stock, par value (in dollars per share)	$ 1	$ 1
Preferred stock, shares authorized	10,000,000	10,000,000
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized	150,000,000	100,000,000
Common stock, shares issued	70,861,025	66,198,477
Common stock, shares outstanding	70,861,025	66,198,477
Common stock issuable, shares	520,014	458,953
Preferred stock Series H
Preferred stock, par value (in dollars per share)	$ 1,000	$ 1,000
Preferred stock, shares issued	0	9,992
Preferred stock, shares Outstanding	0	9,992
Non-Voting Common Stock
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized	26,000,000	26,000,000
Common stock, shares issued	0	5,285,516
Common stock, shares outstanding	0	5,285,516