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Income Taxes - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Operating Loss Carryforwards [Line Items] |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 21.00% | 21.00%
Open Tax Year | 2014 2015 2016 2017 2018 2019 |
Unrecognized Tax Benefits, Ending Balance | $ 0 |
Unrecognized Tax Benefits, Period Increase (Decrease), Total | 0 |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total | 0 |
Unrecognized Tax Benefits, Income Tax Penalties Accrued | 0 |
Federal [Member] |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carryforwards | 3,100 | $ 7,400
Tax credit carryforward, amount | 100 | 200
State [Member] |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carryforwards | $ 5,900 | $ 8,400

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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References 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 + Details
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