Employee Benefits (Tables)

3 Months Ended

Mar. 31, 2013

Employee Benefits [Abstract]

Components Of Net Periodic Benefit Cost

	Three months ended March 31,
	2013	2012
	(in thousands)
Service costs	$                           96	$                           95
Interest cost	46	58
Amortization of (gain)	(36)	(74)
Total	$                         106	$                           79

Schedule Of Expense Under Defined Contribution Savings Plans

	Three months ended March 31,
	2013	2012
	(in thousands)
401(k) plan expense	$                         580	$                         603