Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2012

Employee Benefit Plans [Abstract]

Net periodic benefit cost for defined benefit plans

	For the three months ended June 30,						For the six months ended June 30,
	2012			2011			2012			2011
Interest cost	$	234		$	250		$	490		$	501
Expected return on plan assets		(276	)		(296	)		(579	)		(570	)
Amortization of net actuarial loss		222			197			466			394
Net periodic pension expense	$	180		$	151		$	377		$	325