Pension Plan (Tables)

6 Months Ended

Jun. 30, 2012

Pension Plan [Abstract]

Components of Net Periodic Pension Cost

	For the Three Months Ended June 30,						For the Six Months  Ended June 30,
(unaudited, in thousands)	2012			2011			2012			2011
Service cost – benefits earned during year	$	680		$	643		$	1,361		$	1,279
Interest cost on projected benefit obligation		966			907			1,931			1,803
Expected return on plan assets		(1,378	)		(1,412	)		(2,756	)		(2,808	)
Amortization of prior service cost		12			15			23			29
Amortization of net loss		568			318			1,137			633
Net periodic pension cost	$	848		$	471		$	1,696		$	936