Transactions with Affiliates (Tables)

9 Months Ended

Dec. 31, 2017

Related Party Transactions [Abstract]

Summary of purchase and sale transactions of products and services

The following table summarizes these related party transactions for the periods indicated:

	Three Months Ended December 31,				Nine Months Ended December 31,
	2017		2016		2017		2016
	(in thousands)
Sales to SemGroup	$	178	$	150	$	408	$	3,734
Purchases from SemGroup	$	1,050	$	1,911	$	3,978	$	5,874
Sales to equity method investees	$	98	$	95	$	294	$	595
Purchases from equity method investees	$	18,373	$	33,538	$	66,842	$	91,530
Sales to entities affiliated with management	$	64	$	53	$	204	$	205
Purchases from entities affiliated with management	$	193	$	2,580	$	1,540	$	14,316

Schedule of accounts receivable from affiliates

Accounts receivable from affiliates consist of the following at the dates indicated:

	December 31, 2017		March 31, 2017
	(in thousands)
Receivables from SemGroup	$	83	$	6,668
Receivables from NGL Energy Holdings LLC	3,413		—
Receivables from equity method investees	2		15
Receivables from entities affiliated with management	19		28
Total	$	3,517	$	6,711

Schedule of accounts payable to affiliates

Accounts payable to affiliates consist of the following at the dates indicated:

	December 31, 2017		March 31, 2017
	(in thousands)
Payables to SemGroup	$	390	$	6,571
Payables to equity method investees	81		1,306
Payables to entities affiliated with management	3		41
Total	$	474	$	7,918

Schedule of capital expenditures

The allocation of the consideration was as follows:

Current assets	$	276
Property, plant and equipment	1,366
Intangible assets (customer relationships)	4,782
Fair value of net assets acquired	$	6,424