Goodwill (Tables)

12 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in goodwill by segment

The following table summarizes changes in goodwill by segment for the periods indicated (in thousands):

	Crude Oil Logistics		Water Solutions			Liquids and Refined Products			Total
	(in thousands)
Balances at March 31, 2018	$	579,846	$	424,465		$	166,219		$	1,170,530
Acquisitions (Note 4)	—		74,189			20,472			94,661
Disposals (Note 17)	—		(88,515		)	—			(88,515		)
Impairment	—		—			(66,220		)	(66,220		)
Balances at March 31, 2019	579,846		410,139			120,471			1,110,456
Revisions to acquisition accounting (Note 4)	—		4,755			(2,103		)	2,652
Acquisitions (Note 4)	—		129,764			715			130,479
Impairment	—		(250,000		)	—			(250,000		)
Balances at March 31, 2020	$	579,846	$	294,658		$	119,083		$	993,587

Amounts in the table above do not include goodwill that was allocated to TPSL and Gas Blending as the amounts have been classified as noncurrent assets held for sale within our consolidated balance sheets (see Note 1 and Note 18).