Net Periodic Pension Cost

3 Months Ended

Mar. 31, 2012

Net Periodic Pension Cost

15. Net Periodic Pension Cost

The following table details the net periodic pension cost incurred by period (in thousands):

	Three Months Ended
	March 31,
	2012			2011
Interest cost	$	141		$	152
Amortization of net loss		120			72
Expected return on plan assets		(146	)		(148	)
Net periodic pension cost	$	115		$	76

We contributed $126 thousand and $94 thousand to our frozen defined benefit cash balance plan during the three months ended March 31, 2012 and 2011, respectively. Refer to Note 14 to the consolidated financial statements in our Annual Report on Form 10-K for the year ended December 31, 2011 for more discussion of our retirement plans.