The quantified amount of the future effect on cash flows.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 5.P.4)
-URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747

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- Definition

The difference between the carrying value and the sale price of equity securities, not separately or otherwise categorized as trading or available-for-sale. This element includes investments in which the entity holds a small ownership stake (generally, less than 20% of the shares outstanding) and cannot exert significant influence.

+ References

No definition available.

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- Definition

The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585

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- Definition

The cash inflow from the issuance of an equity stock that has been previously reacquired by the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of increase (decrease) in shares of stock classified as other.

+ References

No definition available.

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Related Party Transactions Fundamental Global Investors, LLC (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				12 Months Ended
	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Related Party Transaction [Line Items]
Proceeds from sale of investee					$ 3,470
Gain on change in fair value of equity investments					381	$ 0
Beneficial Owner [Member]
Related Party Transaction [Line Items]
Sale of Stock, Number of Shares Issued in Transaction				900,000		475,428
Proceeds from Sale of Treasury Stock						$ 3,700
Share Price	$ 7.13			$ 7.85		$ 7.85
Gain on change in fair value of equity investments					(100)	$ (100)
Management [Member]
Related Party Transaction [Line Items]
Sale of Stock, Number of Shares Issued in Transaction			3,000,000
Effect on Future Cash Flows, Amount		$ 1,000
Gain on change in fair value of equity investments					700
Common Stock [Member] \| Beneficial Owner [Member]
Related Party Transaction [Line Items]
Proceeds from sale of investee	$ 500		$ 3,400
Stockholders' Equity, Other Shares			75,000
Effect on Future Cash Flows, Amount						7,100
Common Stock [Member] \| Management [Member]
Related Party Transaction [Line Items]
Stockholders' Equity, Other Shares				424,572
Corporate Segment [Member]
Related Party Transaction [Line Items]
Gain on change in fair value of equity investments					$ (211)	$ 0
Canada, Dollars \| Common Stock [Member] \| Beneficial Owner [Member]
Related Party Transaction [Line Items]
Proceeds from sale of investee	$ 1,300
Stockholders' Equity, Other Shares	1,813,889
Share Price	$ 0.72