Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Series A Preferred Stock [Member]	Dec. 31, 2012 Series A Preferred Stock [Member]
Available for sale, amortized cost (in Dollars)	$ 618,395	$ 558,630
Held to maturity, fair value (in Dollars)	827	956
Preferred stock, par value (in Dollars per share)			$ 0	$ 0
Preferred stock, shares authorized			1,000,000	1,000,000
Preferred stock, Series A shares issued			30,000	30,000
Preferred stock, Series A shares outstanding			30,000	30,000
Preferred stock, Liquidation preference (in Dollars)			$ 30,000	$ 30,000
Common stock, par value per share (in Dollars per share)	$ 0.125	$ 0.125
Common stock, shares authorized	14,608,000	14,608,000
Common stock, shares issued	7,478,706	7,469,813
Common stock, shares outstanding	7,478,706	7,469,813