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Other Intangible Assets - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Impairment of goodwill	$ 0
Goodwill	51,084,000	$ 51,084,000
Gross intangible assets	41,700,000	41,700,000
Amortization of intangible assets	$ 4,200,000	4,200,000	$ 4,400,000
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Useful life	10 years
Housekeeping and Dietary equipment
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 42,400,000	$ 8,700,000

X

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount before accumulated amortization of intangible assets, excluding goodwill.

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