Defined Benefit Pension Plan and Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2021

Compensation And Retirement Disclosure [Abstract]

Net Periodic Benefit Cost and Other Accumulated Comprehensive Income for Pension Plans

The following table provides information about the net periodic benefit cost for the Company’s pension plans (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2021			2020			2021			2020
Service cost (1)	$	183		$	108		$	364		$	213
Interest cost (2)		61			52			122			103
Recognized actuarial (gains) (2)		(2	)		(23	)		(3	)		(46	)
	$	242		$	137		$	483		$	270

(1) Included in "Direct salaries and related costs" and “General and administrative” costs in the accompanying Condensed Consolidated Statements of Operations.

(2) Included in "Other income (expense), net" in the accompanying Condensed Consolidated Statements of Operations.

Company's Contributions to Employee Retirement Savings Plans

The Company’s contributions included in the accompanying Condensed Consolidated Statements of Operations were as follows (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
401(k) plan contributions	$	801	$	711	$	1,652	$	1,491