Fair Value of Assets and Liabilities (Tables)

9 Months Ended

Sep. 30, 2013

Fair Value Disclosures [Abstract]

Carrying value and estimated fair value of financial instruments

The following tables present the carrying values of those financial instruments and the estimated corresponding fair values at September 30, 2013 and December 31, 2012 (in thousands):

			Estimated Fair Value Measurements at September 30, 2013
	Carrying Value as of September 30, 2013		Total Fair Value		Level 1		Level 2		Level 3
Assets:
Cash and cash equivalents	$	53,161	$	53,161	$	53,161	$	—	$	—
Restricted cash	19,126		19,126		19,126		—		—
Liabilities:
Borrowings under senior credit facility	$	599,250	$	602,991	$	—	$	602,991	$	—
7¾% Senior Notes	247,867		261,095		—		261,095		—
6.625% Senior Notes	300,000		317,064		—		317,064		—
5.125% Senior Notes	300,000		276,750		—		276,750		—
Non-recourse debt, Australian subsidiary	26,759		27,446		—		27,446		—
Other non-recourse debt, including current portion	66,813		68,852		—		68,852		—

			Estimated Fair Value Measurements at December 31, 2012
	Carrying Value as of December 31, 2012		Total Fair Value		Level 1		Level 2		Level 3
Assets:
Cash and cash equivalents	$	31,755	$	31,755	$	31,755	$	—	$	—
Restricted cash	34,949		34,949		34,949		—		—
Liabilities:
Borrowings under senior credit facility	$	797,430	$	803,097	$	—	$	803,097	$	—
7¾% Senior Notes	247,543		270,313		—		270,313		—
6.625% Senior Notes	300,000		335,814		—		335,814		—
Non-recourse debt, Australian subsidiary	34,832		34,973		—		34,973		—
Other non-recourse debt, including current portion	88,650		91,345		—		91,345		—