Leases (Tables)

12 Months Ended

Dec. 31, 2022

Leases [Abstract]

Lessee, Leases, Supplemental Cash Flow Information [Table Text Block]

Supplemental cash flow information related to leases was as follows:

	Year ended December 31, 2022
In thousands	NW Natural		Other (NW Holdings)		NW Holdings
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$	6,993	$	64	$	7,057
Finance cash flows from finance leases	524		—		524
Right of use assets obtained in exchange for lease obligations
Operating leases	$	309	$	668	$	977
Finance leases	270		—		270

	Year ended December 31, 2021
In thousands	NW Natural		Other (NW Holdings)		NW Holdings
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$	6,840	$	58	$	6,898
Finance cash flows from finance leases	801		—		801
Right of use assets obtained in exchange for lease obligations
Operating leases	$	223	$	—	$	223
Finance leases	314		—		314

	Year ended December 31, 2020
In thousands	NW Natural		Other (NW Holdings)		NW Holdings
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$	4,466	$	131	$	4,597
Finance cash flows from finance leases	835		—		835
Right of use assets obtained in exchange for lease obligations
Operating leases	$	78,539	$	51	$	78,590
Finance leases	1,386		—		1,386

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

Maturities of operating lease liabilities at December 31, 2022 were as follows:

In thousands	NW Natural		Other (NW Holdings)		NW Holdings
2023	$	7,169	$	195	$	7,364
2024	7,299		196		7,495
2025	7,185		184		7,369
2026	7,353		140		7,493
2027	7,530		107		7,637
Thereafter	108,901		12		108,913
Total lease payments	145,437		834		146,271
Less: imputed interest	65,729		63		65,792
Total lease obligations	79,708		771		80,479
Less: current obligations	1,363		151		1,514
Long-term lease obligations	$	78,345	$	620	$	78,965

Lease, Cost [Table Text Block]

The components of lease expense, a portion of which is capitalized, were as follows:

	Year ended December 31, 2022
In thousands	NW Natural		Other (NW Holdings)		NW Holdings
Operating lease expense	$	7,003	$	31	$	7,034
Short-term lease expense	880		—		880

	Year ended December 31, 2021
In thousands	NW Natural		Other (NW Holdings)		NW Holdings
Operating lease expense	$	6,859	$	58	$	6,917
Short-term lease expense	1,220		—		1,220

	Year ended December 31, 2020
In thousands	NW Natural		Other (NW Holdings)		NW Holdings
Operating lease expense	$	4,381	$	125	$	4,506
Short-term lease expense	1,010		—		1,010

Operating Lease, Lease Income [Table Text Block]

The components of lease revenue at NW Natural were as follows:

	Year ended December 31,
In thousands	2022		2021		2020
Lease revenue
Operating leases	$	74	$	80	$	88
Sales-type leases	17,119		17,471		18,355
Total lease revenue	$	17,193	$	17,551	$	18,443

Lessor, Operating Lease, Payments to be Received, Maturity [Table Text Block]

Total future minimum lease payments to be received under non-cancelable leases at December 31, 2022 are as follows:

In thousands	Operating		Sales-Type		Total
NW Natural:
2023	$	621	$	16,557	$	17,178
2024	612		15,867		16,479
2025	603		15,306		15,909
2026	36		14,901		14,937
2027	22		14,521		14,543
Thereafter	—		222,299		222,299
Total minimum lease payments	$	1,894	$	299,451	$	301,345
Less: imputed interest			165,272
Total leases receivable			$	134,179
Other NW Holdings:
2023	$	51	$	—	$	51
2024	52		—		52
2025	53		—		53
2026	56		—		56
2027	57		—		57
Thereafter	857		—		857
Total minimum lease payments	$	1,126	$	—	$	1,126
NW Holdings:
2023	$	672	$	16,557	$	17,229
2024	664		15,867		16,531
2025	656		15,306		15,962
2026	92		14,901		14,993
2027	79		14,521		14,600
Thereafter	857		222,299		223,156
Total minimum lease payments	$	3,020	$	299,451	$	302,471
Less: imputed interest			165,272
Total leases receivable			$	134,179

Operating Lease, Lease Asset and Liabilities [Table Text Block]

Supplemental balance sheet information related to operating leases as of December 31, 2022 is as follows:

In thousands	NW Natural		Other (NW Holdings)		NW Holdings
Operating lease right of use assets	$	72,720	$	709	$	73,429
Operating lease liabilities - current liabilities	$	1,363	$	151	$	1,514
Operating lease liabilities - non-current liabilities	78,345		620		78,965
Total operating lease liabilities	$	79,708	$	771	$	80,479

Supplemental balance sheet information related to operating leases as of December 31, 2021 is as follows:

In thousands	NW Natural		Other (NW Holdings)		NW Holdings
Operating lease right of use assets	$	74,987	$	62	$	75,049
Operating lease liabilities - current liabilities	$	1,273	$	23	$	1,296
Operating lease liabilities - non-current liabilities	79,431		37		79,468
Total operating lease liabilities	$	80,704	$	60	$	80,764