Restructuring Charges - Changes to accrued liability balance (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Changes to accrued liability balance related to restructuring
Balance at beginning of period	$ 201
Restructuring charges	2,903	$ 8,450
Payments	(3,104)
Balance at end of period		201
Severance costs
Changes to accrued liability balance related to restructuring
Restructuring charges	1,717	6,952
Pandemic Restructuring
Restructuring charges
Estimated additional charges	0
Changes to accrued liability balance related to restructuring
Balance at beginning of period	201
Restructuring charges	1,717	5,257
Payments	(1,918)
Balance at end of period		201
Pandemic Restructuring \| Severance costs
Restructuring charges
Restructuring charges incurred to date	7,000
Changes to accrued liability balance related to restructuring
Restructuring charges	1,717	5,257
2020 Property Restructuring
Restructuring charges
Restructuring charges incurred to date	1,500
Estimated additional charges	0
Changes to accrued liability balance related to restructuring
Balance at beginning of period	0
Restructuring charges	35	1,498
Payments	(35)
Balance at end of period		0
Loss on sale		915
Impairment loss		583
2021 Property Restructuring
Changes to accrued liability balance related to restructuring
Balance at beginning of period	0
Restructuring charges	929
Payments	(929)
Balance at end of period		0
Other Restructuring
Changes to accrued liability balance related to restructuring
Balance at beginning of period	0
Restructuring charges	222
Payments	(222)
Balance at end of period		0
Organizational Restructuring
Restructuring charges
Estimated additional charges	$ 0
Changes to accrued liability balance related to restructuring
Restructuring charges		1,695
Organizational Restructuring \| Severance costs
Changes to accrued liability balance related to restructuring
Restructuring charges		$ 1,695

Amount of expenses for impairment associated exit or disposal activities pursuant to an authorized plan.

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Amount of expenses for loss on sale associated with exit or disposal activities pursuant to an authorized plan.

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No definition available.

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Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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Amount of costs incurred to date for the specified restructuring cost.

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Amount of expected cost remaining for the specified restructuring cost.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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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.

+ References

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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