Fair Value of Assets and Liabilities (Tables)

12 Months Ended

Dec. 31, 2016

Fair Value Disclosures [Abstract]

Carrying value and estimated fair value of financial instruments

The Company’s Consolidated Balance Sheets reflect certain financial instruments at carrying value. The following table presents the carrying values of those instruments and the corresponding estimated fair values (in thousands):

	Estimated Fair Value Measurements at December 31, 2016
	Carrying Value as of December 31, 2016		Total Fair Value		Level 1		Level 2		Level 3
Assets:
Cash and cash equivalents	$	68,038	$	68,038	$	68,038	$	—	$	—
Restricted cash and investments	22,319		22,319		19,614		2,705		—
Liabilities:
Borrowings under Senior Credit Facility	$	804,500	$	795,008	$	—	$	795,008	$	—
5.875% Senior Notes due 2024	250,000		247,813		—		247,813		—
5.125% Senior Notes	300,000		292,125		—		292,125		—
5.875% Senior Notes due 2022	250,000		254,688		—		254,688		—
6.00% Senior Notes	350,000		346,938		—		346,938		—
Non-recourse debt, Australian subsidiary	454,222		454,185		—		454,185		—
Other non-recourse debt, including current portion	36,280		37,550		—		37,550		—

	Estimated Fair Value Measurements at December 31, 2015
	Carrying Value as of December 31, 2015		Total Fair Value		Level 1		Level 2		Level 3
Assets:
Cash and cash equivalents	$	59,638	$	59,638	$	59,638	$	—	$	—
Restricted cash	15,654		15,654		11,536		4,118		—
Liabilities:
Borrowings under Senior Credit Facility	$	777,500	$	777,500	$	—	$	777,500	$	—
5.875% Senior Notes due 2024	250,000		245,783		—		245,783		—
5.125% Senior Notes	300,000		308,625		—		308,625		—
5.875% Senior Notes due 2022	300,000		285,189		—		285,189		—
6.625% Senior Notes	250,000		248,125		—		248,125		—
Non-recourse debt, Australian subsidiary	204,539		204,531		—		204,531		—
Other non-recourse debt, including current portion	42,592		43,353		—		43,353		—