Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2017

Fair Value Measurements

Schedule of carrying amount and estimated fair values of financial instruments

	December 31, 2017
	Carrying
	Amount		Fair Value		Level 1		Level 2		Level 3
Financial assets:
Cash and cash equivalents	$	277,953	$	277,953	$	277,953	$	—	$	—
Loan to the JIVDC		20,900		16,533		—		—		16,533
Financial liabilities:
Long-term debt
Senior secured credit facility		730,787		760,456		760,456		—		—
Senior unsecured notes		399,249		412,000		412,000		—		—
Other long-term obligations		119,310		113,460		—		113,460		—
Other liabilities		22,696		22,696		—		—		22,696

	December 31, 2016
	Carrying
	Amount		Fair Value		Level 1		Level 2		Level 3
Financial assets:
Cash and cash equivalents	$	229,510	$	229,510	$	229,510	$	—	$	—
Loan to the JIVDC		92,100		98,000		—		—		98,000
Financial liabilities:
Long-term debt
Senior secured credit facility		962,703		976,092		785,092		191,000		—
Senior unsecured notes		296,895		312,000		312,000		—		—
Other long-term obligations		154,084		152,132		—		152,132		—
Other liabilities		48,244		48,244		—		—		48,244

Summary of the changes in fair value of Level 3 liabilities

The following table summarizes the changes in fair value of the Company’s Level 3 liabilities (in thousands):

	Other Liabilities
	Contingent
	Purchase Price
Balance at January 1, 2015	$	19,189
Included in earnings		(5,374)
Balance at December 31, 2015	$	13,815
Additions		34,945
Payments		(1,793)
Included in earnings		1,277
Balance at December 31, 2016	$	48,244
Additions		905
Payments		(19,613)
Included in earnings		(6,840)
Balance at December 31, 2017	$	22,696

Summary of significant unobservable inputs used in calculating fair value Level 3 liabilities

	Valuation	Unobservable
	Technique	Input	Discount Rate
Contingent purchase price - Plainridge	Discounted cash flow	Discount rate	8.30	%

Schedule of the assets measured at fair value on a nonrecurring basis

The following table sets forth the assets measured at fair value on a non-recurring basis during the year ended December 31, 2017 (in thousands):

										Total Reduction in
								Balance at		Fair Value
	Balance							December 31,		Recorded during
	Sheet							2017		the year ended
	Location	Level 1		Level 2		Level 3		Total		December 31, 2017,
Assets:
Goodwill	Goodwill	$	—	$	—	$	598	$	598	$	(18,026)