Restructuring and Related Charges - Restructuring liability (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Schedule of restructuring liability
Beginning balance	$ 8,283	$ 20,887
Restructuring and other charges	0	1,913
Payments	(2,708)	(2,424)
Adjustments	0	(6,540)
Ending balance	5,575	13,836
Accounts payable and accrued expenses
Schedule of restructuring liability
Restructuring liabilities	4,600		$ 6,400
Lease and Related Costs, Net
Schedule of restructuring liability
Beginning balance	0	6,540
Restructuring and other charges	0	0
Payments	0	0
Adjustments	0	(6,540)
Ending balance	0	0
Severance and Other Employee Separation Costs
Schedule of restructuring liability
Beginning balance	8,283	14,347
Restructuring and other charges	0	1,913
Payments	(2,708)	(2,424)
Adjustments	0	0
Ending balance	$ 5,575	$ 13,836

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 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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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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Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability.

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Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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