Significant Accounting Policies - Performance Obligations (Details) $ in Thousands	3 Months Ended
Mar. 31, 2020 USD ($)
Significant Accounting Policies
Contracts with an original expected length	true
Remainder of 2020	$ 36,826
2021	38,591
2022	32,814
2023	27,638
2024	26,703
2025 and thereafter	27,144
Total	$ 189,716

No definition available.

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- Definition

Indicates (true false) whether optional exemption was applied not to disclose amount of transaction price allocated to and explanation of expected timing of revenue recognition for remaining performance obligation, when contract has expected duration of one year or less or right to consideration corresponds directly to performance completed.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130558-203045

+ Details

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- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130556-203045

+ Details

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- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue, due after fifth fiscal year following latest fiscal year.

+ References

No definition available.

+ Details

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Amount of transaction price allocated to performance obligation that has not been recognized as revenue, due in fifth fiscal year following latest fiscal year.

+ References

No definition available.

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- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue, due in fourth fiscal year following latest fiscal year.

+ References

No definition available.

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- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue, due in third fiscal year following latest fiscal year.

+ References

No definition available.

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Amount of transaction price allocated to performance obligation that has not been recognized as revenue, due in second fiscal year following latest fiscal year.

+ References

No definition available.

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- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue, due in remainder of fiscal year following latest fiscal year ended.

+ References

No definition available.

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