Retirement Plans - Additional Information (Details) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Jun. 30, 2021 USD ($)	Jun. 30, 2021 USD ($) Participant	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Gross unrecognized pension losses reclassified in accumulated other comprehensive loss	$ 101,125	$ 101,125		$ 101,125
Pension Plans | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, termination process description				In February 2021, we received a determination letter from the Internal Revenue Service that allowed us to proceed with the termination process for the Plan. During the second quarter of 2021, the Company offered the option of receiving a lump sum payment to eligible participants with vested qualified Plan benefits in lieu of receiving monthly annuity payments.
Number of participants elected to receive settlement | Participant		365
Lump sum payments from plan assets	$ 35,594
Non-operating settlement charge		$ 20,063	$ 0	$ 20,063	$ 0