Equity Method Investments - Summary of Equity Method Investments (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Equity investment, Carrying Amount	$ 12,017	$ 18,053
BK Technologies, Inc. [Member]
Equity investment, Carrying Amount		$ 4,473
Equity investment, Economic Interest	0.00%	8.30%
Itasca Capital Ltd [Member]
Equity investment, Carrying Amount	$ 3,890	$ 5,870
Equity investment, Economic Interest	32.30%	32.30%
1347 Property Insurance Holdings Inc [Member]
Equity investment, Carrying Amount	$ 8,127	$ 7,710
Equity investment, Economic Interest	17.40%	17.40%

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=109237563&loc=d3e33749-111570

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 25
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Balance Type:	debit
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