Supplemental Executive Retirement Plans (Tables)

9 Months Ended

Sep. 30, 2021

Retirement Benefits [Abstract]

Schedule of Change in Benefit Obligation

The change in net benefit cost and obligation during the three and nine months ended September 30, 2021 and 2020 is as follows:

Change in Benefit Obligation:
(in thousands)	2021		2020
Benefit obligation as of June 30	$	18,278	$	17,763
Service cost	123		98
Interest cost	87		121
Payments	(12)		(12)
Benefit obligation as of September 30	$	18,476	$	17,970
Benefit obligation as of December 31, 2020 and 2019, respectively	$	19,746	$	19,214
Service cost	370		294
Interest cost	261		363
Payments	(1,901)		(1,901)
Benefit obligation as of September 30	$	18,476	$	17,970

Schedule of Amounts Recognized in the Consolidated Balance Sheets

Amounts Recognized in the Condensed Consolidated Balance Sheets:
	As of September 30,		As of December 31,
(in thousands)	2021		2020
Current accrued expenses and other current liabilities	$	1,913	$	1,913
Non-current other liabilities	16,563		17,833
Total accrued liabilities	$	18,476	$	19,746