Income Taxes - Schedule of Annual Activity Related to Valuation Allowance(Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Beginning Balance	$ 987	$ 1,021	$ 1,086
Additions charged to expense	0	0	0
Additions due to asset acquisition	2,033	0	0
Reductions from utilization, reassessments and expirations	3	(34)	(65)
Remeasurement due to effect of tax reform	(629)	0	0
Ending Balance	$ 2,394	$ 987	$ 1,021

Valuation allowances and reserves charged to assets acquisition.

No definition available.

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- Definition

Valuation allowances and reserves remeasurement due to effect of tax reform.

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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- Definition

Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09)
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

+ Details

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- Definition

Amount of increase in the allowances and reserves, which consist of the valuation and qualifying accounts that are either netted against the cost of an asset or that reflect a liability established to represent expected future costs, from charges to costs and expenses.

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+ Details

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- Definition

Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively.

+ References

+ Details

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