Investments in Unconsolidated Affiliates (Tables)

3 Months Ended

Mar. 31, 2013

Investments in Unconsolidated Affiliates [Abstract]

Combined financial information of unconsolidated affiliated companies

Combined financial information of the unconsolidated affiliated companies accounted for by the equity method is as follows:

	As of March 31,
	2013
Assets:
Current assets	$	25,048
Noncurrent assets		156,628
Total assets	$	181,676
Liabilities:
Current liabilities	$	32,927
Noncurrent liabilities		73,985
Total liabilities	$	106,912

	Three Months Ended
	March 31, 2013			March 31, 2012
Results of operations:
Revenue	$	17,788		$	23,245
Net income	$	(9,353	)	$	(8,299	)

Summary of activity in income from unconsolidated affiliates

A summary of activity in income from unconsolidated affiliates for the three months ended March 31, 2013 and 2012 is as follows:

	March 31,
Income from unconsolidated affiliates	2013			2012
Income (loss) from unconsolidated affiliates	$	(1,369	)	$	(940	)
Elimination of intercompany revenue		354			397
Loss from unconsolidated affiliates	$	(1,015	)	$	(543	)