Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Stock options exercised, income tax benefit (in shares)	35,147	500	850
Capital stock issuance, shares			1,600,800
Shares issued direct purchases (in shares)	2,768	836	2,085
Shares purchased in Treasury auction (in shares)		16,560
Shares purchased in open market (in shares)		20,440
shares purchased	70,966
Stock Based Compensation Income Tax Benefit	$ 54