Present value of lessee's discounted obligation for lease payments from operating and finance lease.

No definition available.

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Amount of lessee's right to use underlying asset under operating and finance leases.

+ References

No definition available.

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.

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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.

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No definition available.

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Summary of significant accounting policies - Recent Accounting Pronouncements (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jan. 01, 2019	Dec. 31, 2018
Recent Accounting Pronouncements
Lease liabilities	$ 56,550
Retained earnings	$ (1,670,034)		$ (1,877,759)
Capital lease obligation			18,696
Office Building in Morges, Switzerland \| Building and leasehold improvements
Recent Accounting Pronouncements
Capital lease asset			18,700
Capital lease obligation			$ 18,700
ASU No. 2016-02 \| Restatement Adjustment
Recent Accounting Pronouncements
Lease right-of-use assets		$ 23,600
Lease liabilities		23,700
Retained earnings		$ 100