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Property and Equipment - Summary of Property and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Property and equipment	$ 1,154,223	$ 1,040,375
Less accumulated depreciation and amortization	(231,939)	(184,847)
Property and equipment, net	922,284	855,528
Land [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	160,126	127,769
Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	25,630	23,158
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	595,384	559,791
Buildings and Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	117,460	105,168
Equipment under Capital Leases [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	5,937	5,943
Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	116,477	108,551
Furniture, Fixtures and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	63,470	59,300
Internally Developed Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	36,173	30,407
Other [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	1,176	1,176
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	$ 32,390	$ 19,112

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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.

+ References

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+ References

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