Pension Plan (Tables)

12 Months Ended

Dec. 31, 2019

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, 2019 and 2018:

	2019			2018
	(000s)
Change in plan assets:
Fair value of plan assets at beginning of year	$	104,591		$	118,667
Actual return (loss) on plan assets		22,331			(7,522	)
Benefits paid		(6,168)			(6,031	)
Administrative expenses		(467	)		(523	)
Fair value of plan assets at end of year	$	120,287		$	104,591
Change in benefit obligation:
Benefit obligation at beginning of year	$	108,428		$	116,056
Service cost	$	725			689
Interest cost	$	4,237			4,063
Benefits paid	$	(6,168)			(6,031	)
Actuarial (gain) loss	$	10,334			(6,349	)
Benefit obligation at end of year	$	117,556		$	108,428
Amounts recognized in the Consolidated Balance Sheet:
Other non-current assets		2,731			—
Other non-current liabilities		—			3,836
Total amounts recognized at end of year	$	2,731		$	3,836

Components of Net Periodic Pension Cost (Benefit)

	2019		2018			2017
	(000s)
Components of net periodic cost (benefit)
Service cost	$	725	$	689		$	721
Interest cost		4,237		4,063			4,465
Expected return on plan assets		(4,558)		(5,197	)		(5,862	)
Amortization of actuarial loss		1,533		—			863
Net periodic cost	$	1,937	$	(445	)	$	187

Measurement Dates

	2019	2018
Measurement Dates
Benefit obligations	12/31/2019	12/31/2018
Fair value of plan assets	12/31/2019	12/31/2018

Weighted-average Assumptions for Net Periodic Benefit Cost

	2019			2018
Weighted average assumptions as of December 31
Discount rate		2.94	%		4.03	%
Rate of compensation increase		4.00	%		4.00	%

Weighted Average Assumptions

	2019			2018			2017
Weighted-average assumptions for net periodic benefit    cost calculations
Discount rate		4.03	%		3.60	%		4.14	%
Expected long-term rate of return on plan assets		4.50	%		4.50	%		5.50	%
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, 2019 and December 31, 2018, reported using net asset value as a practical expedient, by asset category are as follows:

	2019		2018
Equities:
U.S. Large Cap	$	9,867	$	7,711
U.S. Mid Cap	$	3,054		2,309
U.S. Small Cap	$	3,160		2,094
International Developed	$	7,317		5,710
Emerging Markets	$	4,957		4,137
Fixed income:
Core Fixed Income	$	25,390		24,617
Long Duration Fixed Income	$	63,515		55,318
Real Estate:
REIT Fund	$	2,372		2,037
Cash/Currency:
Cash Equivalents	$	655		658
Total market value	$	120,287	$	104,591

Estimated Future Benefit

There will be benefit payments under this plan beyond 2029.

Estimated Future Benefit Payments (000s)
2020	$	6,752
2021		6,868
2022		6,926
2023		6,945
2024		6,939
2025-2029		33,889
Total	$	68,319

Plan Assets

	2019			2018
Plan Assets
Asset Category
Equity securities		24	%		21	%
Fixed income securities		74	%		76	%
Other		2	%		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 12/31/2019			Permitted Range
Total Equity		24	%	10-30%
Total Fixed Income		74	%	70-90%
Other		2	%	0-10%