Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2017

Summary Of Fair Value Estimates For Financial And Nonfinancial Assets And Liabilities Measured At Fair Value On Nonrecurring Basis

The following table summarizes the fair value estimates for financial and nonfinancial assets and liabilities measured at fair value on a nonrecurring basis by category as of the acquisition date:


				Fair Value Measurements During 2017, Using
Description	Fair Value Measurements at Acquisition Date			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Vandalia current assets	$	10,166		$	—	$	—	$	10,166
Vandalia property, plant and equipment		13,981			—		—		13,981
Vandalia intangible assets subject to amortization		6,900			—		—		6,900
Vandalia other non-current assets		29			—		—		29
Vandalia goodwill		9,452			—		—		9,452
Vandalia non-current liabilities		(1,794	)		—		—		(1,794	)

	$	38,734		$	—	$	—	$	38,734

Summay of Fair Value Estimates for Financial and Nonfinancial Assets and Liabilities Measured at Fair Value on Nonrecurring basis

The following table summarizes assets and liabilities measured at fair value on a recurring basis for the interest rate swap derivative financial instrument as of December 31, 2016.


				Fair Value Measurements as of December 31, 2016
Description	December 31, 2016			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)
Derivative asset—current	$	69		$	—	$	69		$	—
Derivative asset—noncurrent		6			—		6			—
Derivative liability—current		(1,903	)		—		(1,903	)		—
Derivative liability—noncurrent		(1,028	)		—		(1,028	)		—

	$	(2,856	)	$	—	$	(2,856	)	$	—