Leases (Tables)

12 Months Ended

Dec. 31, 2022

Leases [Abstract]

Summary of Leases Table

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

	December 31,
	2022				2021
thousands except lease term and discount rate	Operating Leases		Finance Leases		Operating Leases		Finance Leases
Assets
Other assets	$	67,087	$	—	$	71,725	$	—
Net property, plant, and equipment	—		7,402		—		5,449
Total lease assets (1)	$	67,087	$	7,402	$	71,725	$	5,449
Liabilities
Accrued liabilities	$	10,342	$	—	$	10,558	$	—
Short-term debt	—		2,659		—		3,794
Other liabilities	33,318		—		35,442		—
Long-term debt	—		4,160		—		1,533
Total lease liabilities (1)	$	43,660	$	6,819	$	46,000	$	5,327
Weighted-average remaining lease term (years)	8		6		8		2
Weighted-average discount rate (%)	4.5		8.2		4.1		3.4

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(1)For the years ended December 31, 2022 and 2021, includes additions to ROU assets of $8.3 million and $44.9 million, respectively, and additions to lease liabilities of $8.3 million and $14.9 million, respectively, related to operating leases. Includes additions to ROU assets and lease liabilities of $7.1 million and $0.9 million related to finance leases for the years ended December 31, 2022 and 2021, respectively.

Summary of Lease Cost and Cash Flow Activity Tables

The following table summarizes the Partnership’s lease cost:

	Year Ended December 31,
thousands	2022		2021		2020
Operating lease cost	$	14,767	$	10,753	$	7,702
Short-term lease cost	38,875		37,616		43,102
Variable lease cost	5,611		2,628		(46)
Sublease income	(414)		(414)		(414)
Finance lease cost
Amortization of ROU assets	5,377		7,151		8,346
Interest on lease liabilities	414		861		1,516
Total lease cost	$	64,630	$	58,595	$	60,206

14. LEASES

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

	Year Ended December 31,
	2022				2021				2020
thousands	Operating Leases		Finance Leases		Operating Leases		Finance Leases		Operating Leases		Finance Leases
Operating cash flows	$	13,616	$	229	$	5,805	$	861	$	5,750	$	1,516
Financing cash flows	—		4,318		—		6,513		—		14,207

Lessee, Operating Leases Maturity Tables

The following table reconciles the undiscounted cash flows to the operating and finance lease liabilities at December 31, 2022:

thousands	Operating Leases		Finance Leases
2023	$	10,517	$	2,720
2024	7,877		1,424
2025	5,769		3,810
2026	4,450		52
2027	4,332		—
Thereafter	19,289		—
Total lease payments	52,234		8,006
Less portion representing imputed interest	8,574		1,187
Total lease liabilities	$	43,660	$	6,819

Lessee, Finance Leases Maturity Table

The following table reconciles the undiscounted cash flows to the operating and finance lease liabilities at December 31, 2022:

thousands	Operating Leases		Finance Leases
2023	$	10,517	$	2,720
2024	7,877		1,424
2025	5,769		3,810
2026	4,450		52
2027	4,332		—
Thereafter	19,289		—
Total lease payments	52,234		8,006
Less portion representing imputed interest	8,574		1,187
Total lease liabilities	$	43,660	$	6,819