Acquisitions - Additional Information (Detail) $ / shares in Units, $ in Thousands	1 Months Ended			3 Months Ended	11 Months Ended	12 Months Ended
	Jan. 31, 2016 USD ($) Terminal	Jul. 31, 2015 USD ($) $ / shares shares	May 31, 2015 USD ($) $ / shares shares	Dec. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Business Acquisition [Line Items]
Proceeds from credit facility						$ 30,250	$ 115,000	$ 30,500
Goodwill				$ 39,871	$ 39,871	39,871	39,871	15,162
Pennsylvania Terminals [Member]
Business Acquisition [Line Items]
Number of terminals acquired | Terminal	4
Cash paid to seller	$ 8,000
Initial term of take or pay terminal services	2 years
Identifiable assets acquired, fair value	$ 8,000
Transaction costs	600
Total purchase price	$ 8,000
Total revenue					2,200
Operating income					500
JBBR Acquisition [Member]
Business Acquisition [Line Items]
Cash paid to seller			$ 216,000			216,000
Identifiable assets acquired, fair value			211,000
Transaction costs			1,300
Total purchase price			235,700
Earn-out payments			27,000	27,000	27,000	27,000
Proceeds from private placement			72,700
Earn-out liability recognized			19,700	18,000	$ 18,000	$ 18,000	$ 18,830	$ 0
Goodwill			$ 24,709
JBBR Acquisition [Member] | Private Placement [Member]
Business Acquisition [Line Items]
Sale of common units, shares | shares			4,520,795
Price per unit of common units | $ / shares			$ 16.59
Proceeds from credit facility			$ 61,000
Pawnee Terminal Acquisition [Member]
Business Acquisition [Line Items]
Cash paid to seller		$ 44,332
Identifiable assets acquired, fair value		74,500
Transaction costs		1,800
Total purchase price		74,532
Business acquisition, total consideration cost		76,600
Business combination consideration transferred net of adjustment.		76,600
Business acquisition, Equity interest issued, Value		$ 32,300
Business acquisition, Share price | $ / shares		$ 18.50
Business acquisition, Equity interest issued or issuable, Number of shares | shares		1,745,669
Business acquisition, Fair value of share | $ / shares		$ 17.30
Business acquisition reduction of purchase price		$ 2,100
Expended remaining construction cost		11,000		$ 11,000
Business acquisition construction cost payable		$ 4,523