Annual report pursuant to Section 13 and 15(d)

Employee Retirement Plans - Changes in Healthcare Cost Trend Rate (Details)

v3.22.0.1
Employee Retirement Plans - Changes in Healthcare Cost Trend Rate (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
Amounts that will be amortized from accumulated other comprehensive income loss into net periodic pension or OPEB cost in the next fiscal year  
Actuarial gains (losses) $ 0
Other postretirement benefit cost  
Amounts included in other comprehensive loss, net of tax  
Net actuarial gain (loss) $ 2,471