CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
CONSOLIDATED BALANCE SHEETS
Loans, allowance for loan losses (in dollars)	$ 27,247	$ 27,609
Preferred stock, par value
Preferred stock, Authorized shares	400,000	400,000
Preferred stock, Issued shares	0	0
Preferred stock, Outstanding shares	0	0
Preferred stock, Aggregate liquidation preference (in dollars)	$ 0	$ 0
Common stock, stated value (in dollars per share)	$ 0.50	$ 0.50
Common stock, Authorized shares	100,000,000	100,000,000
Common stock, Issued shares	20,962,525	20,940,298
Common stock, Outstanding shares	20,445,951	20,417,224
Treasury stock, shares	516,574	523,074