Leases (Supplemental Cash Flow Information Related To Leases) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2019
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from finance leases	$ 12	$ 38
Operating cash flows from operating leases	2,779	8,541
Financing cash flows from finance leases	202	615
Leased assets obtained in exchange for new finance lease liabilities	127	345
Leased assets obtained in exchange for new operating lease liabilities	$ 805	$ 31,128

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- Definition

Amount of interest paid on finance lease liability.

+ References

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- Definition

Amount of cash outflow for principal payment on finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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- Definition

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

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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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