Additional Cash Flow Information (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019
Cash paid for:
Interest	$ 4,885	$ 6,432
Income taxes	10,953	65,799
Right-of-use assets obtained in exchange for new operating lease liabilities	25,267	43,431
Right-of-use assets obtained in exchange for new finance lease liabilities	$ 1,496	$ 5,753

Cash Paid For [Abstract]

No definition available.

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- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

+ References

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- Definition

Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.

+ References

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- Definition

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

+ References

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- Definition

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

+ References

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