Fair Value of Assets and Liabilities (Tables)

6 Months Ended

Jun. 30, 2014

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 June 30, 2014 and December 31, 2013 (in thousands):

			Estimated Fair Value Measurements at June 30, 2014
	Carrying Value as of June 30, 2014		Total Fair Value		Level 1		Level 2		Level 3
Assets:
Cash and cash equivalents	$	37,360	$	37,360	$	37,360	$	—	$	—
Restricted cash	22,420		22,420		4,325		18,095		—
Liabilities:
Borrowings under senior credit facility	$	632,000	$	633,114	$	—	$	633,114	$	—
5⅞% Senior Notes	250,000		263,125		—		263,125		—
6.625% Senior Notes	300,000		322,314		—		322,314		—
5.125% Senior Notes	300,000		300,564		—		300,564		—
Non-recourse debt, Australian subsidiary	22,197		22,581		—		22,581		—
Other non-recourse debt, including current portion	60,396		62,721		—		62,721		—

			Estimated Fair Value Measurements at December 31, 2013
	Carrying Value as of December 31, 2013		Total Fair Value		Level 1		Level 2		Level 3
Assets:
Cash and cash equivalents	$	52,125	$	52,125	$	52,125	$	—	$	—
Restricted cash	14,592		14,592		1,838		12,754		—
Liabilities:
Borrowings under senior credit facility	$	638,500	$	639,246	$	—	$	639,246	$	—
5⅞% Senior Notes	250,000		265,938		—		265,938		—
6.625% Senior Notes	300,000		317,064		—		317,064		—
5.125% Senior Notes	300,000		279,000		—		279,000		—
Non-recourse debt, Australian subsidiary	23,896		24,439		—		24,439		—
Other non-recourse debt, including current portion	60,235		62,319		—		62,319		—