Retirement Agreements and Other Postretirement Benefit Plan (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) h	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
DefinedContributionPlanMinimumNumberOfMonthsEmployedEligibility	3 months
Minimum number of years employed in order to participate in the 401(k) plan	1 year
Minimum number of hours worked annually in order to participate in the 401(k) plan | h	1,000
Defined contribution plan contribution percent	3.00%
Expenses related to the 401(k) plan	$ 2,000	$ 1,800
Amount accrued for all deferred compensation plan agreements	13,400	12,500
Amount recognized in accumulated other comprehensive income, before tax	(184)	(184)	$ (82)
Amount recognized in accumulated other comprehensive income, net of tax	(144)	$ (144)
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
2022	19
2023	26
2024	31
2025	38
2026	43
Next 5 years thereafter	$ 181
Minimum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Noncompete period following employment	2 years