Commitments and Contingencies - Sale Commitments (Details) gal in Thousands, bbl in Thousands, $ in Thousands	Mar. 31, 2024 USD ($) gal bbl	Mar. 31, 2023 USD ($)
Sales commitments for crude oil and natural gas
Net commodity asset (liability)	$ 17,325	$ 19,011
Crude oil | Fixed-Price
Sales commitments for crude oil and natural gas
Sales commitments, year one	76,593
Sales commitments, year two	0
Sales commitments, year three	0
Sales commitments, year four	0
Sales commitments	$ 76,593
Sales commitments, volume, year one | bbl	1,037
Sales commitments, volume, year two | bbl	0
Sales commitments, volume, year three | bbl	0
Sales commitments, volume, year four | bbl	0
Total sales commitments, volume | bbl	1,037
Crude oil | Index-Price
Sales commitments for crude oil and natural gas
Sales commitments, year one	$ 2,953,808
Sales commitments, year two	30,068
Sales commitments	$ 2,983,876
Sales commitments, volume, year one | bbl	35,749
Sales commitments, volume, year two | bbl	390
Total sales commitments, volume | bbl	36,139
Natural Gas Liquids | Fixed-Price
Sales commitments for crude oil and natural gas
Sales commitments, year one	$ 35,840
Sales commitments, year two	4,888
Sales commitments, year three	3,140
Sales commitments, year four	74
Sales commitments	$ 43,942
Sales commitments, volume, year one | gal	38,377
Sales commitments, volume, year two | gal	6,136
Sales commitments, volume, year three | gal	4,247
Sales commitments, volume, year four | gal	80
Total sales commitments, volume | gal	48,840
Natural Gas Liquids | Index-Price
Sales commitments for crude oil and natural gas
Sales commitments, year one	$ 538,274
Sales commitments, year two	2,080
Sales commitments	$ 540,354
Sales commitments, volume, year one | gal	479,487
Sales commitments, volume, year two | gal	2,007
Total sales commitments, volume | gal	481,494
Prepaid expenses and other current assets
Sales commitments for crude oil and natural gas
Net commodity asset (liability)	$ 52,200
Accrued expenses and other payables
Sales commitments for crude oil and natural gas
Net commodity asset (liability)	$ 34,700