CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Certificates of deposit (in dollars)	$ 100	$ 100
Common stock, stated value per share	$ 125	$ 125
Common stock, Authorized shares	40,000,000	40,000,000
Common stock, Issued shares	14,516,113	14,490,609
Common stock, Outstanding shares	13,307,498	13,287,348
Treasury, shares	1,208,615	1,203,261