Pension and Other Retirement Plans (Tables)

12 Months Ended

Dec. 31, 2019

Pension and Other Retirement Plans [Abstract]

Schedule of Defined Benefit Plans Disclosures

	2019		2018
Change in Projected Benefit Obligation
Projected benefit obligation at beginning of year	$	203,424	$	219,635
Interest cost		7,896		7,185
Actuarial (gain) loss		20,202		(11,697)
Benefit payments		(12,078)		(11,699)
Projected benefit obligation at end of year		219,444		203,424
Change in Plan Assets
Fair value of plan assets at beginning of year		171,535		196,597
Return on plan assets		36,948		(13,363)
Benefit payments		(12,078)		(11,699)
Fair value of plan assets at end of year		196,405		171,535
Funded Status	$	(23,039)	$	(31,889)
Amounts Recorded on the Balance Sheet
Noncurrent liability - accrued benefit cost	$	23,039	$	31,889
Accumulated Benefit Obligation	$	219,444	$	203,424

Schedule of Net Periodic Pension Benefit

	Years Ended December 31,
	2019		2018
Interest cost	$	7,896	$	7,185
Expected return on plans' assets		(11,464)		(11,575)
Amortization of actuarial loss		278		671
Net periodic pension benefit	$	(3,290)	$	(3,719)

Schedule of Fair Value and Allocation of Plan Assets

	Fair Value Measurements Using
	Total				Quoted Price in Active Markets for Identical Assets (Level I)				Significant Other Observable Inputs (Level II)				Significant Unobservable Inputs (Level III)
Description	2019		2018		2019		2018		2019		2018		2019		2018
Cash and Money Market Funds	$	1,743	$	7,000	$	1,743	$	7,000	$	—	$	—	$	—	$	—
Equity Funds
U.S. equity securities		54,258		46,346		—		—		54,258		46,346		—		—
International equity securities		29,519		22,783		—		—		29,519		22,783		—		—
Fixed Income Funds
Domestic corporate and government debt securities		60,743		52,179		—		—		60,743		52,179		—		—
Domestic corporate debt securities		46,115		38,814		—		—		46,115		38,814		—		—
International corporate and government debt securities		4,027		4,413		—		—		4,027		4,413		—		—
Total	$	196,405	$	171,535	$	1,743	$	7,000	$	194,662	$	164,535	$	—	$	—

Schedule of Expected Benefit Payments

Payment year	Expected Benefit Payments
2020	$	13,354
2021		13,364
2022		13,455
2023		13,300
2024		13,267
2025 - 2029		64,577