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Benefit Plans - Schedule of Net Benefit Costs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Retirement Benefits [Abstract]
Service cost	$ 2,652	$ 2,688	$ 5,304	$ 5,423
Interest cost	2,861	2,530	5,721	5,110
Expected return on assets	(5,045)	(4,742)	(10,088)	(9,494)
Unrecognized actuarial loss	1,200	1,794	2,364	3,574
Amortization of prior service cost	4	13	8	25
Net periodic benefit cost	$ 1,672	$ 2,283	$ 3,309	$ 4,638

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Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan.

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Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan.

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Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan.

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