Employee Benefit Plan (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Employee Benefit Plan
Service Cost	$ 190,000	$ 216,000	$ 380,000	$ 606,000
Interest Cost	104,000	95,000	208,000	314,000
Expected Return On Plan Assets	0	(198,000)	0	(55,000)
Amortization of prior service cost	(195,000)	0	(390,000)	(9,000)
Amortization Of Net Loss	58,000	72,000	116,000	166,000
Net Periodic Pension Cost	$ 157,000	$ 185,000	$ 314,000	$ 1,022,000