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Property and Equipment, Estimated Useful Lives (Details)		3 Months Ended	12 Months Ended
	Apr. 01, 2018	Mar. 31, 2018	Dec. 31, 2018
Building and Site Improvements [Member]
Property Plant And Equipment [Line Items]
Property and equipment, useful lives	19 years	10 years
Minimum [Member] | Building and Site Improvements [Member]
Property Plant And Equipment [Line Items]
Property and equipment, useful lives			10 years
Minimum [Member] | Furniture and Equipment [Member]
Property Plant And Equipment [Line Items]
Property and equipment, useful lives			3 years
Minimum [Member] | Leasehold Improvements [Member]
Property Plant And Equipment [Line Items]
Property and equipment, useful lives			2 years
Maximum [Member] | Building and Site Improvements [Member]
Property Plant And Equipment [Line Items]
Property and equipment, useful lives			45 years
Maximum [Member] | Furniture and Equipment [Member]
Property Plant And Equipment [Line Items]
Property and equipment, useful lives			15 years
Maximum [Member] | Leasehold Improvements [Member]
Property Plant And Equipment [Line Items]
Property and equipment, useful lives			15 years

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

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- Details

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- Details

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