Derivative Instruments (Tables)

12 Months Ended

Dec. 31, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

Table 10.1: Details of Derivatives Fair Value
	As of December 31,
	2017		2016
	(in thousands)
Assets
Interest rate swap	$	2,148	$	1,800
Commodity hedges	11		351
Total assets	$	2,159	$	2,151
Liabilities
Interest rate swap	$	—	$	—
Commodity hedges	613		—
Total liabilities	$	613	$	—

Derivative Instruments, Gain (Loss)

Table 10.2: Gains/(losses) on Derivatives
	For the Year Ended December 31,
	2017			2016		2015		2017			2016			2015
	Gain/(loss) recognized in AOCI on derivatives (effective portion), net of tax							Loss reclassified from AOCI into income (effective portion), net of tax
	(in thousands)
Interest rate swap	$	328		$	1,302	—		$	(87	)	$	(110	)	—
Commodity hedges	(455		)	532		2,718		(168		)	(306		)	(1,900		)
Total	$	(127	)	$	1,834	$	2,718	$	(255	)	$	(416	)	$	(1,900	)