Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Property and Equipment, Net (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 5,275,973		$ 5,189,103
Less accumulated depreciation	2,533,055		2,473,039
Property and equipment, net	2,742,918		2,716,064
Depreciation expense	60,045	$ 50,146
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	327,506		316,590
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	3,091,773		3,084,337
Furniture and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,519,582		1,480,917
Riverboats and barges
Property, Plant and Equipment [Line Items]
Property and equipment, gross	239,452		240,507
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 97,660		$ 66,752