Goodwill and Intangible Assets (Schedule of Carrying Amount and Accumulated Amortization of Intangible Asset) (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Intangible assets subject to amortization:
Accumulated amortization	$ (79,831)	$ (78,039)
Total intangible assets, Gross carrying value	170,022	170,022
Total intangible assets, Net carrying value	$ 90,191	91,983
Minimum [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets, estimated useful lives	1 year
Maximum [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets, estimated useful lives	20 years
Customer and Referral Relationships [Member]
Intangible assets subject to amortization:
Gross carrying value	$ 44,672	44,672
Accumulated amortization	(39,907)	(39,566)
Net carrying value	$ 4,765	5,106
Customer and Referral Relationships [Member] | Minimum [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets, estimated useful lives	5 years
Customer and Referral Relationships [Member] | Maximum [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets, estimated useful lives	10 years
Trade Names and Trademarks [Member]
Intangible assets subject to amortization:
Gross carrying value	$ 59,566	59,566
Accumulated amortization	(24,608)	(23,857)
Net carrying value	$ 34,958	35,709
Trade Names and Trademarks [Member] | Minimum [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets, estimated useful lives	1 year
Trade Names and Trademarks [Member] | Maximum [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets, estimated useful lives	20 years
Non-competition Agreements [Member]
Intangible assets subject to amortization:
Gross carrying value	$ 6,785	6,785
Accumulated amortization	(5,805)	(5,601)
Net carrying value	$ 980	1,184
Non-competition Agreements [Member] | Minimum [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets, estimated useful lives	3 years
Non-competition Agreements [Member] | Maximum [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets, estimated useful lives	5 years
State Licenses [Member]
Intangible assets subject to amortization:
Gross carrying value	$ 12,671	12,671
Accumulated amortization	(9,511)	(9,015)
Net carrying value	3,160	3,656
Indefinite-Lived Intangible Assets (Excluding Goodwill)	$ 46,328	$ 46,328
State Licenses [Member] | Minimum [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets, estimated useful lives	6 years
State Licenses [Member] | Maximum [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets, estimated useful lives	10 years