Condensed Consolidated Statements of Stockholders' Equity (Parenthetical) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Stock issued for benefit plans (shares)	154,665	104,890
Options exercised (shares)	0	1,125
Purchase of treasury stock (shares)	74,638	98,020
Employee stock purchase plan (shares)	71,825	72,273
Issuance of restricted stock (shares)	291,561	391,581