Leases (Tables)

12 Months Ended

Dec. 31, 2021

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, 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, 2021 were as follows:

In thousands	NW Natural		Other (NW Holdings)		NW Holdings
2022	$	6,968	$	24	$	6,992
2023	7,013		6		7,019
2024	7,150		6		7,156
2025	7,185		6		7,191
2026	7,353		6		7,359
Thereafter	116,431		18		116,449
Total lease payments	152,100		66		152,166
Less: imputed interest	71,396		6		71,402
Total lease obligations	80,704		60		80,764
Less: current obligations	1,273		23		1,296
Long-term lease obligations	$	79,431	$	37	$	79,468

Lease, Cost [Table Text Block]

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

	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	2021		2020
Lease revenue
Operating leases	$	80	$	88
Sales-type leases	17,471		18,355
Total lease revenue	$	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, 2021 are as follows:

In thousands	Operating		Sales-Type		Total
NW Natural:
2022	$	577	$	17,026	$	17,603
2023	74		16,557		16,631
2024	74		15,867		15,941
2025	66		15,306		15,372
2026	36		14,901		14,937
Thereafter	22		236,820		236,842
Total minimum lease payments	$	849	$	316,477	$	317,326
Less: imputed interest			177,160
Total leases receivable			$	139,317
Other NW Holdings:
2022	$	50	$	—	$	50
2023	51		—		51
2024	52		—		52
2025	53		—		53
2026	56		—		56
Thereafter	914		—		914
Total minimum lease payments	$	1,176	$	—	$	1,176
NW Holdings:
2022	$	627	$	17,026	$	17,653
2023	125		16,557		16,682
2024	126		15,867		15,993
2025	119		15,306		15,425
2026	92		14,901		14,993
Thereafter	936		236,820		237,756
Total minimum lease payments	$	2,025	$	316,477	$	318,502
Less: imputed interest			177,160
Total leases receivable			$	139,317

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

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

Supplemental balance sheet information related to operating leases as of December 31, 2020 is as follows:

In thousands	NW Natural		Other (NW Holdings)		NW Holdings
Operating lease right of use assets	$	77,328	$	118	$	77,446
Operating lease liabilities - current liabilities	$	1,054	$	51	$	1,105
Operating lease liabilities - non-current liabilities	80,559		62		80,621
Total operating lease liabilities	$	81,613	$	113	$	81,726