Leases - Schedule of Maturity of our operating lease liabilities (Details) $ in Thousands	Mar. 31, 2025 USD ($)
Lessee, Lease, Description [Line Items]
2025 (remaining nine months of 2025)	$ 210,555
2026	251,750
2027	275,090
2028	276,218
2029	278,030
2030	278,884
Thereafter	1,908,134
Total lease commitments	3,478,661
Less imputed interest	1,077,239
Total lease liabilities	2,401,422
Operating Lease Cost - Purchased Power and Energy Storage Lease Contracts
Lessee, Lease, Description [Line Items]
2025 (remaining nine months of 2025)	197,622
2026	236,859
2027	262,780
2028	266,577
2029	270,514
2030	274,492
Thereafter	1,850,659
Total lease commitments	3,359,503
Less imputed interest	1,036,548
Total lease liabilities	2,322,955
Operating Lease Cost - Land, Property, and Other Equipment
Lessee, Lease, Description [Line Items]
2025 (remaining nine months of 2025)	12,933
2026	14,891
2027	12,310
2028	9,641
2029	7,516
2030	4,392
Thereafter	57,475
Total lease commitments	119,158
Less imputed interest	40,691
Total lease liabilities	$ 78,467

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

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Amount of lessee's undiscounted obligation for lease payment for operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-6

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Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease having initial or remaining lease term in excess of one year to be paid in remainder of current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-6

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

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Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

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