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Employee Retirement Plans - HC2 Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Compensation and Retirement Disclosure [Abstract]
Defined contribution section employees contribution (as a percent)	50.00%
Defined benefit, maximum employees contributions percentage	6.00%
Employee annual salary contributions capped	$ 6,000
Defined benefit, matching contribution amount	$ 100,000	$ 100,000

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Amount of discretionary contributions made by an employer to a defined contribution plan.

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Percentage employer matches of the employee's percentage contribution matched.

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Maximum amount the employee may contribute to a defined contribution plan.

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Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

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