Retirement Plans - Fair Value Measurements and Expected Benefit Payments for Defined Benefit Pension Plans (Details) - Defined Benefit Pension Plans - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, net	$ 32,874	$ 829,420	$ 710,663
Expected benefit payments for defined benefit pension plans
2022	4,383
2023	4,186
2024	4,141
2025	4,116
2026	3,987
2027 — 2031	25,810
Plan assets measured at fair value, net
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, net	32,819	827,913
Plan assets measured at fair value, net | Common Stock
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, net	4,798	5,252
Plan assets measured at fair value, net | Common or collective trusts - Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, net	758	230,135
Plan assets measured at fair value, net | Corporate bonds
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, net	45	532
Plan assets measured at fair value, net | Government securities
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, net	9,287	12,036
Plan assets measured at fair value, net | Common or collective trusts - Debt securities
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, net	0	507,691
Plan assets measured at fair value, net | Guaranteed investment contracts
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, net	17,931	20,588
Plan assets measured at fair value, net | Common or collective trusts - Other
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, net	0	51,679
Plan assets not measured at fair value, net
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, net	55	1,507
Level 1 | Plan assets measured at fair value, net
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, net	4,798	5,252
Level 1 | Plan assets measured at fair value, net | Common Stock
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, net	4,798	5,252
Level 2 | Plan assets measured at fair value, net
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, net	10,090	802,073
Level 2 | Plan assets measured at fair value, net | Common or collective trusts - Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, net	758	230,135
Level 2 | Plan assets measured at fair value, net | Corporate bonds
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, net	45	532
Level 2 | Plan assets measured at fair value, net | Government securities
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, net	9,287	12,036
Level 2 | Plan assets measured at fair value, net | Common or collective trusts - Debt securities
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, net	0	507,691
Level 2 | Plan assets measured at fair value, net | Common or collective trusts - Other
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, net	0	51,679
Level 3
Reconciliation of the beginning and ending balances of the fair value measurements using significant unobservable inputs (Level 3):
Balance at beginning of year	20,588	19,650
Actual return on plan assets: Assets still held at reporting date	(1,565)	2,092
Actual return on plan assets: Assets sold during the period	0	0
Purchases	224	343
Settlements	(1,316)	(1,497)
Balance at end of year	17,931	20,588
Level 3 | Plan assets measured at fair value, net
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, net	17,931	20,588
Level 3 | Plan assets measured at fair value, net | Guaranteed investment contracts
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, net	$ 17,931	$ 20,588