Income Taxes Summary of Operating Loss Carryforwards (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Other	$ 3,532,000	$ 1,416,000
Deferred Tax Assets, Net	10,000	9,000
Deferred Tax Assets, Valuation Allowance	161,181,000	157,007,000
Deferred Tax Assets, Capital Loss Carryforwards	0
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	1,800,000
Deferred tax asset, deduction limitation	2,400,000
Pre transaction losses	13,700,000
Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	316,000
The New York State [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	377,000
Hong Kong Inland Revenue Department [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	13,000
Luxembourg Reinsurance Companies [Member]
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Other	134,900,000
LaBranche and Co Inc. [Member]
Operating Loss Carryforwards [Line Items]
Deferred tax asset, deduction limitation	6,700,000
Pre transaction losses	$ 87,400,000