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Goodwill and Intangible Assets (Detail) - (Table 2) - USD ($)	3 Months Ended		12 Months Ended
	Jun. 30, 2019	Dec. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Finite-Lived Trade Names, Gross			$ 8,770,000	$ 9,220,000
Finite-Lived Intangible Assets, Accumulated Amortization			37,482,000	46,885,000
Impairment of Intangible Assets, Finite-lived			0	0
Finite-Lived Intangible Assets, Net			19,823,000	21,608,000
Finite-Lived Intangible Assets, Gross			57,305,000	68,493,000
Finite-Lived License Agreements, Gross				5,600,000
Finite-Lived Customer Lists, Gross			43,880,000	47,019,000
Cost Basis			212,540,000	204,026,000
Accumulated amortization			45,781,000	56,670,000
Indefinite-Lived Contractual Rights			26,901,000	25,415,000
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	$ 4,050	$ 1,000	4,050,000	0	$ 1,000,000
Indefinite-Lived Trademarks			115,985,000	96,288,000
Intangibles – net			162,709,000	143,311,000
Other Finite-Lived Intangible Assets, Gross				14,000
Finite-Lived Contractual Rights, Gross			4,200,000	4,200,000
Finite-Lived Noncompete Agreements, Gross			455,000	2,440,000
Re-acquired right [Member]
Indefinite-lived Intangible Assets (Excluding Goodwill)			35,200,000	35,200,000
Accumulated amortization			8,299,000	9,785,000
Trademarks [Member]
Indefinite-lived Intangible Assets (Excluding Goodwill)			120,035,000	100,333,000
Accumulated amortization			0	0
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	$ 4,050		4,050,000	4,045,000
Trade names [Member]
Finite-Lived Intangible Assets, Accumulated Amortization			8,418,000	6,582,000
Finite-Lived Intangible Assets, Net			352,000	2,638,000
Customer relationships [Member]
Finite-Lived Intangible Assets, Accumulated Amortization			24,409,000	28,049,000
Finite-Lived Intangible Assets, Net			19,471,000	18,970,000
Licensing agreements [Member]
Finite-Lived Intangible Assets, Accumulated Amortization				5,600,000
Finite-Lived Intangible Assets, Net				0
Non-compete agreement [Member]
Finite-Lived Intangible Assets, Accumulated Amortization			455,000	2,440,000
Finite-Lived Intangible Assets, Net			$ 0	$ 0
Finite-Lived Intangible Asset, Useful Life			5 years	5 years
Re-acquired right [Member]
Finite-Lived Intangible Assets, Accumulated Amortization			$ 4,200,000	$ 4,200,000
Finite-Lived Intangible Assets, Net			$ 0	$ 0
Finite-Lived Intangible Asset, Useful Life			2 years	2 years
Other [Member]
Finite-Lived Intangible Assets, Accumulated Amortization				$ 14,000
Finite-Lived Intangible Assets, Net				$ 0
Finite-Lived Intangible Asset, Useful Life				3 years
Minimum [Member] | Trade names [Member]
Finite-Lived Intangible Asset, Useful Life			6 years	6 years
Minimum [Member] | Customer relationships [Member]
Finite-Lived Intangible Asset, Useful Life			10 years	10 years
Minimum [Member] | Licensing agreements [Member]
Finite-Lived Intangible Asset, Useful Life				3 years
Maximum [Member] | Trade names [Member]
Finite-Lived Intangible Asset, Useful Life			10 years	10 years
Maximum [Member] | Customer relationships [Member]
Finite-Lived Intangible Asset, Useful Life			20 years	20 years
Maximum [Member] | Licensing agreements [Member]
Finite-Lived Intangible Asset, Useful Life				6 years

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- Definition

The accumulated amount of amortization of a major intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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