Related Party Transactions (Detail) (USD $)	3 Months Ended		9 Months Ended			1 Months Ended		3 Months Ended		9 Months Ended
	Sep. 30, 2014 SP Corporate Services LLC	Sep. 30, 2013 SP Corporate Services LLC	Sep. 30, 2014 SP Corporate Services LLC	Sep. 30, 2013 SP Corporate Services LLC	Sep. 30, 2014 SP Corporate Services LLC Monthly Expanded Services	Oct. 31, 2014 SP Corporate Services LLC Subsequent Event Monthly Expanded Services	Oct. 31, 2013 iGo	Sep. 30, 2014 WebBank Interest Income	Sep. 30, 2013 WebBank Interest Income	Sep. 30, 2014 WebBank Interest Income	Sep. 30, 2013 WebBank Interest Income	Sep. 30, 2014 WebBank Short-term deposits	Sep. 30, 2014 Steel Excel Percentage Owned By Steel Partners
Ownership (as a percent)													57.90%
Provision of services	$ 2,200,000	$ 1,000,000	$ 6,600,000	$ 3,000,000	$ 8,000,000	$ 8,200,000
Accounts payable	200,000		200,000
Fixed annual fee							400,000
Short-term deposits												15,200,000
Interest income								$ 23,000	$ 21,000	$ 65,000	$ 69,000