Leases (Tables)

12 Months Ended

Dec. 31, 2024

Leases [Abstract]

Summary of Leases Table

The following table summarizes information related to the Partnership’s leases:

	December 31,
	2024				2023
thousands except lease terms and discount rates	Operating Leases		Finance Leases		Operating Leases		Finance Leases
Assets
Other assets	$	219,500	$	—	$	84,279	$	—
Net property, plant, and equipment	—		33,771		—		36,958
Total lease assets (1)	$	219,500	$	33,771	$	84,279	$	36,958
Liabilities
Accrued liabilities	$	58,897	$	—	$	11,259	$	—
Short-term debt	—		10,956		—		7,436
Other liabilities	143,801		—		48,459		—
Long-term debt	—		23,329		—		28,668
Total lease liabilities (1)	$	202,698	$	34,285	$	59,718	$	36,104
Weighted-average remaining lease term (years)	4		5		9		6
Weighted-average discount rate (%)	5.7		7.0		4.6		7.1

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(1)Includes additions to ROU assets and lease liabilities of $154.1 million and $33.1 million related to operating leases for the years ended December 31, 2024 and 2023, respectively. Includes additions to ROU assets and lease liabilities of $4.3 million and $32.6 million related to finance leases for the years ended December 31, 2024 and 2023, respectively.

Summary of Lease Cost and Cash Flow Activity Tables

The following table summarizes the Partnership’s lease cost:

	Year Ended December 31,
thousands	2024		2023		2022
Operating lease cost	$	17,086	$	15,457	$	14,767
Short-term lease cost	58,838		48,343		38,875
Variable lease cost	3,773		3,930		5,611
Sublease income	(587)		(311)		(414)
Finance lease cost
Amortization of ROU assets	7,433		3,487		5,377
Interest on lease liabilities	2,573		1,083		414
Total lease cost	$	89,116	$	71,989	$	64,630

The following table summarizes cash paid for amounts included in the measurement of lease liabilities:

	Year Ended December 31,
	2024				2023				2022
thousands	Operating Leases		Finance Leases		Operating Leases		Finance Leases		Operating Leases		Finance Leases
Operating cash flows	$	15,627	$	2,573	$	14,217	$	1,083	$	13,616	$	229
Financing cash flows	—		6,065		—		3,076		—		4,318

Lessee, Operating Leases Maturity Tables

The following table reconciles the undiscounted cash flows to the operating and finance lease liabilities at December 31, 2024:

	Operating Leases		Finance Leases
2025	$	60,469	$	11,492
2026	62,650		10,245
2027	63,959		6,787
2028	8,920		6,580
2029	9,230		3,795
Thereafter	29,010		—
Total lease payments	234,238		38,899
Less portion representing imputed interest	31,540		4,614
Total lease liabilities	$	202,698	$	34,285

Lessee, Finance Leases Maturity Table

The following table reconciles the undiscounted cash flows to the operating and finance lease liabilities at December 31, 2024:

	Operating Leases		Finance Leases
2025	$	60,469	$	11,492
2026	62,650		10,245
2027	63,959		6,787
2028	8,920		6,580
2029	9,230		3,795
Thereafter	29,010		—
Total lease payments	234,238		38,899
Less portion representing imputed interest	31,540		4,614
Total lease liabilities	$	202,698	$	34,285