ACCOUNTS RECEIVABLE (Tables)

12 Months Ended

Dec. 31, 2013

Receivables [Abstract]

Components of Accounts Receivable

Our accounts receivable are comprised of the following amounts:

	As of December 31,
	2013		2012
Other co-venturers	$	13,904	$	16,735
Trade		134,622		130,448
Unbilled accounts receivable		22,001		20,053
Other		1,444		52
Total accounts receivable	$	171,971	$	167,288