Goodwill and Intangible Assets (Schedule of Carrying Amount and Accumulated Amortization of Intangible Asset) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Finite Lived Intangible Assets [Line Items]
Intangible assets with indefinite lives	$ 27,108	$ 21,124
Intangible assets subject to amortization:
Gross carrying amount	116,020	106,891
Accumulated amortization	(70,940)	(63,694)
Intangible assets subject to amortization, net	45,080	43,197
Net balance at end of period	72,188	64,321
Customer and Referral Relationships [Member]
Intangible assets subject to amortization:
Gross carrying amount	44,672	44,672
Accumulated amortization	(38,088)	(36,342)
Intangible assets subject to amortization, net	6,584	8,330
Net balance at end of period	6,584	8,330
Trade Names and Trademarks [Member]
Intangible assets subject to amortization:
Gross carrying amount	52,046	42,926
Accumulated amortization	(21,058)	(18,494)
Intangible assets subject to amortization, net	30,988	24,432
Net balance at end of period	30,988	24,432
Non-competition Agreements [Member]
Intangible assets subject to amortization:
Gross carrying amount	6,785	6,785
Accumulated amortization	(4,785)	(3,831)
Intangible assets subject to amortization, net	2,000	2,954
Net balance at end of period	2,000	2,954
State Licenses [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets with indefinite lives	27,108	21,124
Intangible assets subject to amortization:
Gross carrying amount	12,517	12,508
Accumulated amortization	(7,009)	(5,027)
Intangible assets subject to amortization, net	5,508	7,481
Net balance at end of period	$ 32,616	$ 28,605