Investments

9 Months Ended

Sep. 30, 2013

Investments Debt And Equity Securities [Abstract]

Investments

8. Investments

We did not hold any available-for-sale investments as of September 30, 2013, December 31, 2012 or September 30, 2012.

The following table sets forth the components of investment income included in Interest income in our Condensed Consolidated Statements of Income in the periods indicated:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2013		2012		2013		2012
Interest income on investments	$	16	$	36	$	74	$	252
Realized net gains on the sale of investments		0		0		0		40
Total investment income	$	16	$	36	$	74	$	292