Leases (Supplemental Balance Sheet Information) (Details) $ in Thousands	9 Months Ended
Sep. 30, 2019 USD ($)
Leases [Abstract]
Operating lease ROU assets	$ 96,190
Accrued expenses	26,368
Operating lease liabilities	76,255
Total operating lease liabilities	102,623
Cash paid for operating leases	26,242
ROU assets obtained in exchange for lease obligations	$ 21,045
Weighted average remaining lease term	9 years
Weighted average discount rate	6.75%

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

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Amount of lessee's right to use underlying asset under operating lease.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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