Pension and Other Post-Retirement Benefit Plans - Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Pension
Defined Benefit Plan Disclosure [Line Items]
Employer contributions	$ 1,304	$ 1,658
Estimated future employer contributions	1,300
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
2023	41,571
2024	43,877
2025	46,329
2026	48,101
2027	49,650
Years 2028 to 2032	253,065
Post-retirement Healthcare Plans
Defined Benefit Plan Disclosure [Line Items]
Employer contributions	308	$ 250
Estimated future employer contributions	400
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
2023	401
2024	482
2025	507
2026	471
2027	404
Years 2028 to 2032	$ 1,022

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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Amount of contribution expected to be received by defined benefit plan from employer in remainder of current fiscal year. Excludes contribution previously paid by employer in current fiscal year.

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