Income Taxes - Additional Information (Details) $ in Millions	12 Months Ended
Dec. 31, 2018 USD ($)
Valuation Allowance [Line Items]
NOLs available for future years	$ 83.9
Minimum \| State jurisdiction
Valuation Allowance [Line Items]
Statute of limitations	3 years
Maximum \| State jurisdiction
Valuation Allowance [Line Items]
Statute of limitations	4 years

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319

Name:	us-gaap_OperatingLossCarryforwards
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant