Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans - Status of Supplemental Executive Retirement Plan (Details)

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Employee Benefit Plans - Status of Supplemental Executive Retirement Plan (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Change in fair value of plan assets:    
Plan assets at January 1 $ 0  
Actual return on plan assets 0 $ 0
Plan assets at December 31   0
Other Long-Term Liabilities 88,753 73,746
Other accrued liabilities 279,477 266,211
SERP    
Change in projected benefit obligation:    
Obligation at beginning of year 18,008 13,326
Service cost 2,373 1,731
Interest cost 532 575
Actuarial loss (gain) 1,843 2,641
Amendments/settlements/curtailments loss (gain) 0 0
Benefits paid (265) (265)
Obligation at end of year 22,491 18,008
Accumulated benefit obligation 17,476 13,694
Change in fair value of plan assets:    
Plan assets at January 1 0 0
Employer contributions 265 265
Benefits paid (265) (265)
Plan assets at December 31 0 0
Funded status recognized (22,491) (18,008)
Other Long-Term Liabilities 22,100 17,600
Other accrued liabilities $ 400 $ 400