Basis Of Presentation (Details)	3 Months Ended
	Mar. 31, 2013 item
Basis Of Presentation [Abstract]
Stockholders' equity note, stock split	The Company's Board of Directors approved a three-for-two stock split, effected in the form of a 50% stock dividend, which was paid on  February 22, 2013 to stockholders of record at the close of business on February 15, 2013.
Stock split ratio	1.5
Percentage rate of effected dividend	50.00%
Dividend paid, date	Feb. 22, 2013
Stockholders as of record, date	Feb. 15, 2013