Leases Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Lease, Cost [Table Text Block]

	Year Ended December 31,
	2021		2020			2019
	(Thousands)
Lease Cost:
Operating lease cost	$	1,334	$	2,075			$	2,234
Variable lease cost	681		1,122				1,107
Total lease cost	$	2,015	$	3,197			$	3,341
Cash paid for amounts included in the measurement of operating lease liabilities	$	2,395	$	2,500			$	2,064
			December 31,
			2021				2020
			(Thousands)
Other Information:
Right-of-use assets			$	10,238			$	10,692
Operating lease liabilities:
Current (included in Accrued liabilities - Other in our Balance Sheet)			$	676			$	2,022
Lease liability			$	8,202			$	8,341
Weighted-average remaining lease term - operating leases (years)			16				15
Weighted-average discount rate - operating leases			4.13		%		3.96		%

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

As of December 31, 2021, the following table represents our operating lease maturities, including renewal provisions that we have assessed as being reasonably certain of exercise, for each of the years ended December 31:

	(Thousands)
2022	$	962
2023	944
2024	944
2025	960
2026	962
Thereafter	8,181
Total future lease payments	12,953
Less amount representing interest	4,075
Total obligations under operating leases	$	8,878