Pension and Other Post-retirement Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2012

Pension and Other Post-retirement Benefit Plans [Abstract]

Components of net periodic benefit costs

Components of net periodic benefit costs under these defined benefit plans were as follows (in thousands):

	Three Months Ended March 31,
	2012			2011
Service cost	$	192		$	192
Interest cost		332			332
Expected return on plan assets		(139	)		(139	)
Amortization of unrecognized (gain) loss		(10	)		(10	)
Net periodic benefit cost	$	375		$	375