Commercial Paper (Tables)

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Schedule of information regarding commercial paper program

The following table provides information regarding the Company’s commercial paper program:

	December 31,
	2014	2013
Face value	$98,589	$98,990
Carrying value	98,589	98,990
Effective interest rate	0.2%	0.2% - 0.3%
Maturity range (days)	7 - 27	2 - 22