Leases Lease Expense Detail (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019 USD ($) Rate	Jun. 30, 2019 USD ($) Rate
Schedule of Operating Lease Payments Due [Abstract]
Operating Lease, Payments	$ 1,547	$ 3,092
Variable Lease, Payment	473	878
Short-term Lease Payments	459	877
Operating Lease, Expense	$ 2,479	$ 4,847
Operating Lease, Weighted Average Remaining Lease Term	4 years 2 months 12 days	4 years 2 months 12 days
Operating Lease, Weighted Average Discount Rate, Percent \| Rate	5.00%	5.00%

Schedule of Operating Lease Payments Due [Abstract]

No definition available.

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- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 4
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-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918638-209977

+ Details

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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

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- Definition

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

+ References

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

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.

+ References

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- Definition

Amount of cash outflow for short-term lease payment excluded from lease liability.

+ References

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- Definition

Amount of cash outflow for variable lease payment excluded from lease liability.

+ References

+ Details

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