Commitments and Contingencies - Sale Commitments (Details) gal in Thousands, bbl in Thousands, $ in Thousands	Mar. 31, 2026 USD ($) gal bbl	Mar. 31, 2025 USD ($)
Sales commitments for crude oil and natural gas
Net commodity asset (liability)	$ (27,930)	$ (6,584)
Crude oil \| Fixed-Price
Sales commitments for crude oil and natural gas
Sales commitments, year one	52,616
Sales commitments, year two	0
Sales commitments, year three	0
Sales commitments, year four	0
Sales commitments	$ 52,616
Sales commitments, volume, year one \| bbl	519
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	519
Crude oil \| Index-Price
Sales commitments for crude oil and natural gas
Sales commitments, year one	$ 818,866
Sales commitments, year two	87,274
Sales commitments, year three	82,905
Sales commitments, year four	75,863
Sales commitments	$ 1,064,908
Sales commitments, volume, year one \| bbl	8,391
Sales commitments, volume, year two \| bbl	1,266
Sales commitments, volume, year three \| bbl	1,263
Sales commitments, volume, year four \| bbl	1,263
Total sales commitments, volume \| bbl	12,183
Natural Gas Liquids (NGL) \| Fixed-Price
Sales commitments for crude oil and natural gas
Sales commitments, year one	$ 27,828
Sales commitments, year two	1,461
Sales commitments, year three	19
Sales commitments, year four	19
Sales commitments	$ 29,327
Sales commitments, volume, year one \| gal	27,219
Sales commitments, volume, year two \| gal	1,974
Sales commitments, volume, year three \| gal	19
Sales commitments, volume, year four \| gal	19
Total sales commitments, volume \| gal	29,231
Natural Gas Liquids (NGL) \| Index-Price
Sales commitments for crude oil and natural gas
Sales commitments, year one	$ 540,675
Sales commitments, year two	1,328
Sales commitments, year three	0
Sales commitments, year four	0
Sales commitments	$ 542,003
Sales commitments, volume, year one \| gal	462,173
Sales commitments, volume, year two \| gal	1,620
Sales commitments, volume, year three \| gal	0
Sales commitments, volume, year four \| gal	0
Total sales commitments, volume \| gal	463,793