Other Assets (Tables)

12 Months Ended

Dec. 31, 2012

Other Assets Noncurrent [Abstract]

Other Assets Noncurrent [Table Text Block]

		2012		2011
Debt issuance costs	$	30,599	$	23,460
Deferred issuance costs related to reimbursement agreements		11,290		-
Deposits related to SM Energy litigation		6,000		6,000
Other		2,017		924
	$	49,906	$	30,384