Description of Business and Summary of Significant Accounting Policies Deferred Revenue Rollforward $ in Thousands	6 Months Ended
Jun. 30, 2018 USD ($)
Revenue Recognition and Deferred Revenue [Abstract]
Deferred Revenue, beginning of period	$ 23,985
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Deferred Revenue	14,045
Recognition of Deferred Revenue	(22,887)
Deferred Revenue acquired in acquisition	6,366
Deferred Revenue, Additions	16,654
Deferred Revenue, end of period	$ 38,163

Deferred Revenue acquired in acquisition

No definition available.

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- Definition

New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Deferred Revenue

+ References

No definition available.

+ Details

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- Definition

Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

+ References

No definition available.

+ Details

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- Definition

Amount of deferred revenue recognized for transactions arising during the current reporting period. Deferred revenue is a liability as of the balance sheet date related to a revenue producing activity for which revenue has not yet been recognized. Generally, an Entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

+ References

No definition available.

+ Details

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- Definition

The amount of previously reported deferred or unearned revenue that was recognized as revenue during the period. For cash flows, this element primarily pertains to amortization of deferred credits on long-term arrangements. As a noncash item, it is deducted from net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

+ Details

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- References

No definition available.

+ Details

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