Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Financial Assets and Liabilities (Details)

v3.21.1
Fair Value Measurements - Financial Assets and Liabilities (Details) - Fair Value, Measurements, Recurring - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Level 1 | Other assets    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Non-COLI assets held in Deferred Supplemental Compensation Plan $ 1,142 $ 1,120
Level 2 | Accrued expenses    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate swap agreements $ 923 $ 1,603