Standby Letters of Credit (Tables)

6 Months Ended

Jun. 30, 2012

Standby Letters of Credit [Abstract]

Standby Letters of Credit

in thousands	June 30 2012
Standby Letters of Credit
Risk management requirement for insurance claims		$43,833
Payment surety required by utilities		100
Contractual reclamation/restoration requirements		7,522
Financial requirement for industrial revenue bond		14,230
Total		$65,685