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Employee Benefit Plans (Other Changes In Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Other comprehensive income (loss) at December 31, prior year	$ (91,979)	$ (97,466)
Net gain (loss) arising during period	(15,298)	4,090
Actuarial loss (gain)	8,953	9,576
Curtailment loss recognized
Other comprehensive income (loss) at December 31, current year	(67,729)	(91,979)
Post-Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Other comprehensive income (loss) at December 31, prior year	(1,527)	3,092
Net gain (loss) arising during period	6,044	(4,042)
Prior Service credit (cost) arising during period
Actuarial loss (gain)
Prior service cost	(577)	(577)
Other comprehensive income (loss) at December 31, current year	$ 3,941	$ (1,527)

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Amount, before tax, of cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

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Amount, before tax, of increase (decrease) to other comprehensive income from settlement and curtailment gain (loss) of defined benefit plan.

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