Significant Accounting Policies (Tables)

12 Months Ended

Mar. 31, 2022

Accounting Policies [Abstract]

Schedule of inventories

Inventories consist of the following at the dates indicated:

	March 31,
	2022		2021
	(in thousands)
Crude oil	$	135,485	$	64,916
Propane	43,971		45,521
Butane	33,144		19,189
Biodiesel	20,474		16,169
Diesel	3,504		2,252
Ethanol	3,503		3,056
Other	11,196		7,364
Total	$	251,277	$	158,467

Schedule of investments in unconsolidated entities

Our investments in unconsolidated entities consist of the following at the dates indicated:

			March 31,
Entity	Segment	Ownership Interest	2022		2021
			(in thousands)
Water services and land company	Water Solutions	50%	$	15,714	$	15,832
Water services and land company	Water Solutions	10%	2,863		3,254
Water services and land company	Water Solutions	50%	2,210		2,284
Aircraft company (1)	Corporate and Other	50%	538		748
Water services company	Water Solutions	50%	409		424
Natural gas liquids terminal company	Liquids Logistics	50%	163		177
Total			$	21,897	$	22,719

(1)    This is an investment with a related party. See Note 12 for a further discussion.

Schedule of other noncurrent assets

Other noncurrent assets consist of the following at the dates indicated:

	March 31,
	2022		2021
	(in thousands)
Linefill (1)	$	28,065	$	28,110
Minimum shipping fees - pipeline commitments (2)	8,899		13,171
Loan receivable (3)	3,147		2,962
Other	5,691		6,490
Total	$	45,802	$	50,733

(1)    Represents minimum volumes of product we are required to leave on certain third-party owned pipelines under long-term shipment commitments. At March 31, 2022 and 2021, linefill consisted of 423,978 barrels of crude oil. Linefill held in pipelines we own is included within property, plant and equipment (see Note 4). During the three months ended March 31, 2020, we recorded an impairment of $7.7 million primarily due to adjusting the cost basis of pipeline linefill to the market price of propane as of March 31, 2020.

(2)    Represents the noncurrent portion of minimum shipping fees paid in excess of volumes shipped, or deficiency credits, for a contract with a crude oil pipeline operator. This amount can be recovered when volumes shipped exceed the minimum monthly volume commitment (see Note 8). As of March 31, 2022, the deficiency credit was $13.2 million, of which $4.3 million is recorded within prepaid expenses and other current assets in our consolidated balance sheet.

(3)    Represents the noncurrent portion of a loan receivable, net of an allowance for an expected credit loss, with a former related party.

Schedule of accrued expenses and other payables

Accrued expenses and other payables consist of the following at the dates indicated:

	March 31,
	2022		2021
	(in thousands)
Accrued interest	$	56,104	$	56,299
Derivative liabilities	27,108		21,562
Accrued compensation and benefits	18,417		41,456
Excise and other tax liabilities	10,451		10,970
Product exchange liabilities	853		1,188
Other	27,786		38,925
Total	$	140,719	$	170,400