Debt instrument previous paid funding fees.

No definition available.

Name:	hchc_DebtInstrumentPreviousPaidFundingFees
Namespace Prefix:	hchc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Interest rate charged on special interest compensation fund.

+ References

No definition available.

+ Details

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Namespace Prefix:	hchc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount written off original issuance discount.

+ References

No definition available.

+ Details

Name:	hchc_WrittenOffOriginalIssuanceDiscount
Namespace Prefix:	hchc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

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Balance Type:	na
Period Type:	duration

- 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.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of debt premium that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 1A

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The effective interest rate during the reporting period.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 7

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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-Article 9

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20, 22

-Article 5

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow from a borrowing supported by a written promise to pay an obligation.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.8)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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- Details

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- Details

Name:	us-gaap_CreditFacilityAxis=hchc_SeptemberCreditFacilityMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Balance Type:
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- Details

Name:	us-gaap_DebtInstrumentAxis=hchc_NotePayableCollateralizedByEquipmentMember
Namespace Prefix:
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- Details

Name:	us-gaap_DebtInstrumentAxis=hchc_NotePayableCollateralizedByRealEstateMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Namespace Prefix:
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- Details

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- Details

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- Details

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LONG-TERM OBLIGATIONS, Credit Agreements of Acquired Entities (Details) (USD $)	0 Months Ended		3 Months Ended			0 Months Ended	12 Months Ended	0 Months Ended			3 Months Ended
	May 29, 2014	Sep. 22, 2014	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	May 06, 2014	Dec. 31, 2014	Oct. 21, 2014	Oct. 30, 2013	Jan. 31, 2014	Jun. 30, 2014
Debt Instrument [Line Items]
Borrowings			417,363,000us-gaap_LongTermDebt
Debt instrument term	18 months
Global Marine Systems Limited [Member]
Debt Instrument [Line Items]
Debt instrument term		12 months
Schuff International, Inc [Member] \| International LOC [Member]
Debt Instrument [Line Items]
Line of credit, maximum amount			2,500,000
Borrowings			0
Line of credit borrowings			2,500,000
Line of credit outstanding amount			0
1% of Special Interest Compensation Fund [Member] \| Schuff International, Inc [Member] \| International LOC [Member]
Debt Instrument [Line Items]
Credit agreement interest rate (in hundredths)			5.25%
Interest on special interest compensation fund (in hundredths)			1.00%
September Credit Facility [Member] \| Novatel Wireless, Inc. [Member]
Debt Instrument [Line Items]
Write of deferred financing cost				500,000	400,000
Write of original issue discount				4,500,000	800,000
Net of credit for previous paid funding fees				2,300,000
Credit Facility [Member] \| Schuff International, Inc [Member]
Debt Instrument [Line Items]
Credit agreement interest rate (in hundredths)			3.27%				3.00%
Line of credit, maximum amount			50,000,000
Borrowings			27,400,000	0			0
Extended maturity date						Apr. 30, 2019
Line of credit borrowings			18,700,000
Line of credit outstanding amount			3,900,000
Note Payable Collateralized by Assets [Member] \| Global Marine Systems Limited [Member]
Debt Instrument [Line Items]
Borrowings			15,692,000	16,372,000			16,372,000
Note Payable Collateralized by Assets [Member] \| American Natural Gas [Member]
Debt Instrument [Line Items]
Borrowings			773,000	810,000			810,000
Note Payable Collateralized By Equipment [Member] \| Schuff International, Inc [Member]
Debt Instrument [Line Items]
Borrowings			12,352,000	8,333,000			8,333,000
Note Payable Collateralized By Equipment [Member] \| Credit Facility [Member] \| Schuff International, Inc [Member]
Debt Instrument [Line Items]
Issuance of note payable collaterized								10,000,000
Note Payable Collateralized by Real Estate [Member] \| Schuff International, Inc [Member]
Debt Instrument [Line Items]
Borrowings			4,479,000	4,635,000			4,635,000
Note Payable Collateralized by Real Estate [Member] \| Credit Facility [Member] \| Schuff International, Inc [Member]
Debt Instrument [Line Items]
Issuance of note payable collaterized						5,000,000
Real Estate Term Advance [Member] \| Schuff International, Inc [Member]
Debt Instrument [Line Items]
Credit agreement interest rate (in hundredths)			4.00%
Borrowings			4,500,000	4,600,000			4,600,000
Debt instrument term			5 years				5 years
Real Estate Term Advance [Member] \| Credit Facility [Member] \| Schuff International, Inc [Member]
Debt Instrument [Line Items]
Credit agreement interest rate (in hundredths)			4.00%
Borrowings			12,400,000	8,300,000			8,300,000
Debt instrument term			5 years				5 years
Real Estate Term Advance [Member] \| Note Payable Collateralized by Real Estate [Member] \| Credit Facility [Member] \| Schuff International, Inc [Member]
Debt Instrument [Line Items]
Issuance of note payable collaterized								5,000,000
Term Loan [Member] \| Global Marine Systems Limited [Member]
Debt Instrument [Line Items]
Borrowings			15,700,000	16,700,000			16,700,000
Term Loan [Member] \| American Natural Gas [Member]
Debt Instrument [Line Items]
Effective interest rate (in hundredths)									5.50%
Borrowings			800,000	800,000			800,000
Debt instrument term									5 years
Term Loan [Member] \| LIBOR [Member] \| Global Marine Systems Limited [Member]
Debt Instrument [Line Items]
Effective interest rate (in hundredths)										3.65%
Debt instrument term										4 years 6 months
Partial Prepayments [Member] \| May Credit Facility [Member]
Debt Instrument [Line Items]
Write of deferred financing cost					100,000						100,000
Write of original issue discount					1,900,000						200,000
Payoff of Remaining Balance [Member] \| May Credit Facility [Member]
Debt Instrument [Line Items]
Premiums and other costs					900,000
Write of deferred financing cost					300,000
Write of original issue discount					2,500,000
Payoff of Remaining Balance [Member] \| May Credit Facility [Member] \| Novatel Wireless, Inc. [Member]
Debt Instrument [Line Items]
Write of deferred financing cost					400,000
Write of original issue discount					$ 800,000