Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2021

Compensation And Retirement Disclosure [Abstract]

Components of Net Periodic Benefit Cost (Credit)

The following table summarizes the components of net periodic benefit cost (credit) related to the Company’s pension plans for the three month and six month periods ended June 30, 2021 and 2020:

	Pension Plans
	Three Months Ended June 30,
	2021			2020
Components of Net Periodic Benefit Cost (Credit):
Service cost	$	231		$	235
Interest cost		2,141			2,910
Expected return on plan assets		(6,597	)		(6,435	)
Amortization of:
Prior service cost		30			27
Net actuarial loss (gain)		1,911			1,926
Settlement loss		384			588
Net periodic benefit cost (credit)	$	(1,900	)	$	(749	)

	Pension Plans
	Six Months Ended June 30,
	2021			2020
Components of Net Periodic Benefit Cost (Credit):
Service cost	$	457		$	370
Interest cost		4,256			5,893
Expected return on plan assets		(13,131	)		(13,063	)
Amortization of:
Prior service cost		60			54
Net actuarial loss (gain)		3,598			4,132
Settlement loss		764			1,510
Net periodic benefit cost (credit)	$	(3,996	)	$	(1,104	)