Annual report pursuant to Section 13 and 15(d)

Benefit Plans - Level 3 Rollforward (Details)

v3.20.4
Benefit Plans - Level 3 Rollforward (Details) - Defined Benefit Pension Plans - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Defined Benefit Plan Disclosure    
Fair value of plan assets at beginning of period $ 316,721  
Fair value of plan assets at end of the period 362,705 $ 316,721
Level 3    
Defined Benefit Plan Disclosure    
Fair value of plan assets at beginning of period 4,714 4,322
Actual return on plan assets 113 111
Benefits paid (78) (69)
Contributions 577 441
Exchange rate changes and other 510 (91)
Fair value of plan assets at end of the period $ 5,836 $ 4,714