Pension Plan (Tables)

12 Months Ended

Dec. 31, 2021

Compensation And Retirement Disclosure [Abstract]

Reconciliation of Defined Benefit Pension Plan

The following table shows the reconciliation of the defined benefit pension plan as of December 31, 2021 and 2020:

	2021			2020
	(000s)
Change in plan assets:
Fair value of plan assets at beginning of year	$	131,685		$	120,287
Actual return (loss) on plan assets		2,771			18,169
Benefits paid		(6,389	)		(6,260	)
Administrative expenses		(707	)		(511	)
Fair value of plan assets at end of year	$	127,360		$	131,685
Change in benefit obligation:
Benefit obligation at beginning of year	$	123,237		$	117,556
Service cost	$	546		$	615
Interest cost	$	2,493		$	3,357
Benefits paid	$	(6,389	)	$	(6,260	)
Actuarial (gain) loss	$	(3,853	)	$	7,969
Benefit obligation at end of year	$	116,034		$	123,237
Amounts recognized in the Consolidated Balance Sheet:
Other non-current assets	$	11,327		$	8,449
Total amounts recognized at end of year	$	11,327		$	8,449

Components of Net Periodic Pension Cost (Benefit)

	2021			2020			2019
	(000s)
Components of net periodic cost (benefit)
Service cost	$	546		$	615		$	725
Interest cost		2,493			3,357			4,237
Expected return on plan assets		(4,490	)		(5,261	)		(4,558	)
Amortization of actuarial loss		—			—			1,533
Net periodic cost	$	(1,451	)	$	(1,289	)	$	1,937

Measurement Dates

	2021	2020
Measurement Dates
Benefit obligations	12/31/2021	12/31/2020
Fair value of plan assets	12/31/2021	12/31/2020

Weighted-average Assumptions for Net Periodic Benefit Cost

	2021			2020
Weighted average assumptions as of December 31
Discount rate		2.52	%		2.08	%
Rate of compensation increase		4.00	%		4.00	%

Weighted Average Assumptions

	2021			2020			2019
Weighted-average assumptions for net periodic benefit    cost calculations
Discount rate		2.08	%		2.94	%		4.03	%
Expected long-term rate of return on plan assets		3.50	%		4.50	%		4.50	%
Rate of compensation increase		4.00	%		4.00	%		4.00	%

Market Values of Our Pension Plan Assets

The market values of our pension plan assets at December 31, 2021 and December 31, 2020, reported using net asset value as a practical expedient, by asset category are as follows:

	2021		2020
Equities:
U.S. Large Cap	$	7,306	$	10,946
U.S. Mid Cap	$	2,014	$	3,403
U.S. Small Cap	$	1,913	$	3,581
International Developed	$	5,062	$	8,315
Emerging Markets	$	3,152	$	5,631
Fixed income:
Core Fixed Income	$	22,904	$	27,782
Long Duration Fixed Income	$	84,277	$	68,886
Real Estate:
REIT Fund	$	—	$	2,474
Cash/Currency:
Cash Equivalents	$	732	$	667
Total market value	$	127,360	$	131,685

Estimated Future Benefit

There will be benefit payments under this plan beyond 2031.

Estimated Future Benefit Payments (000s)
2022	$	6,994
2023		7,056
2024		7,057
2025		7,029
2026		6,973
2027-2031		33,438
Total	$	68,547

Plan Assets

	2021			2020
Plan Assets
Asset Category
Equity securities		15	%		24	%
Fixed income securities		84	%		73	%
Other		1	%		3	%
Total		100	%		100	%

Asset Allocation Policy and Ranges Established in accordance with Overall Risk and Return Objectives of Portfolio

The following asset allocation policy and ranges have been established in accordance with the overall risk and return objectives of the portfolio:

	As of 12/31/2021			Permitted Range
Total Equity		15	%	10-30%
Total Fixed Income		84	%	70-90%
Other		1	%	0-10%