Statements of Stockholders' Equity (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statements of Stockholder's Equity [Abstract]
Deferred tax on pension liability	$ 6,256	$ 1,219	$ 4,133
Repurchase of common stock, shares			133,400