Fair Value Disclosures (Tables)

12 Months Ended

Dec. 31, 2017

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

Table 19.1: Fair Value Hierarchy - 2017
	As of December 31, 2017
	Level 1		Level 2		Level 3		Balance
	(in thousands)
Asset
Interest rate swap	$	—	$	2,148	$	—	$	2,148
Commodity derivatives	—		11		—		11
Total assets	$	—	$	2,159	$	—	$	2,159
Liabilities
Interest rate swap	$	—	$	—	$	—	$	—
Commodity derivatives	—		613		—		613
Total liabilities	$	—	$	613	$	—	$	613

Table 19.2: Fair Value Hierarchy - 2016
	As of December 31, 2016
	Level 1		Level 2		Level 3		Balance
	(in thousands)
Asset
Interest rate swap	$	—	$	1,800	$	—	$	1,800
Commodity derivatives	—		351		—		351
Total assets	$	—	$	2,151	$	—	$	2,151
Liabilities
Interest rate swap	$	—	$	—	$	—	$	—
Commodity derivatives	—		—		—		—
Total liabilities	$	—	$	—	$	—	$	—