Fair Value (Tables)

3 Months Ended

Mar. 31, 2017

Fair Value Disclosures [Abstract]

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation

The following is a rollforward of deferred acquisition costs through March 31, 2017. 

	Total Deferred
	Acquisition Cost
(in thousands)	Payable (1)
Balance at December 31, 2016	$	789
Payments		(789)
Balance at March 31, 2017		—

(1) Represents deferred acquisition costs related to the acquisition of a supplier of refrigerants and compressed gases in January 2015. See Note 8 for further details.

Fair Value Measurements, Recurring and Nonrecurring

	As of December 31, 2016				Fair Value Measurements
(in thousands)	Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Liabilities:
Deferred acquisition cost	$	789	$	789		—		—	$	789