This element represents the number of reportable operating segments.

No definition available.

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- Details

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

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- Definition

Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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- Definition

The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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ORGANIZATION AND BUSINESS, GLOBAL MARINE SYSTEMS Acquisition (Details) (USD $)	0 Months Ended	3 Months Ended		0 Months Ended
	May 29, 2014	Mar. 31, 2015 Segment	Mar. 31, 2014	Sep. 22, 2014	Sep. 08, 2014	Dec. 31, 2014
Business Acquisition [Line Items]
Proceeds from issuance of preferred stock		$ 14,032,000	$ 0
Proceeds from issuance of senior secured credit facility	80,000,000
Debt instrument term	18 months
Percentage of ownership interest acquired (in hundredths)	60.00%
Number of reportable operating segments		6hchc_NumberOfReportableOperatingSegment
Series A-1 Convertible Preferred Stock [Member]
Business Acquisition [Line Items]
Proceeds from issuance of preferred stock				11,000,000
Global Marine Systems Limited [Member]
Business Acquisition [Line Items]
Business acquisition cost				260,000,000
Proceeds from issuance of senior secured credit facility				214,000,000
Debt instrument term				12 months
Minority interest percentage by noncontrolling interest (in hundredths)		3.00%		3.00%
Ownership percentage by parent (in hundredths)		97.00%
Percentage of ownership interest acquired (in hundredths)				97.00%
Global Marine Systems Limited [Member] \| Delayed Draw Term Loan [Member]
Business Acquisition [Line Items]
Proceeds from issuance of senior secured credit facility				36,000,000
Novatel Wireless, Inc. [Member]
Business Acquisition [Line Items]
Proceeds from issuance of senior secured credit facility					$ 17,000,000
Genovel Orthopedics, Inc [Member]
Business Acquisition [Line Items]
Ownership percentage by parent (in hundredths)		80.00%
Percentage of ownership interest acquired (in hundredths)		80.00%
Gem Derm Aesthetics, Inc [Member]
Business Acquisition [Line Items]
Ownership percentage by parent (in hundredths)		61.00%
Percentage of ownership interest acquired (in hundredths)		61.00%
DMi, Inc. [Member]
Business Acquisition [Line Items]
Ownership percentage by parent (in hundredths)		100.00%
Percentage of ownership interest acquired (in hundredths)						100.00%