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Income Taxes - Summary of Tax Loss Carryforwards (Details) $ in Thousands | Dec. 31, 2018 USD ($)
--- | ---
Federal [Member] |  |
2023 |  |
2024 - 2031 | 1,511 | [1]
2032 - 2037 | 58,549 |
Unlimited | 2,896 |
Total | 62,956 |
Capital Loss [Member] |  |
2023 | 9,356 |
2024 - 2031 |  | [1]
2032 - 2037 |  |
Unlimited |  |
Total | 9,356 |
State [Member] |  |
2023 |  |
2024 - 2031 |  | [1]
2032 - 2037 | 14,898 |
Unlimited | 938 |
Total | $ 15,836 |
[1] | The utilization of a portion of these net operating loss carryforwards is limited due to limits on utilizing net operating loss carryforwards under Internal Revenue Service regulations following a change in control.

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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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