Contingent Liabilities (Details) (USD $)		1 Months Ended			0 Months Ended	3 Months Ended			0 Months Ended
	Jul. 12, 2013 state	Mar. 31, 2014 Settled Litigation [Member] SEC Cease-and-Desist Order [Member]	Jun. 06, 2012 Pending Litigation United States District Court for the District of Delaware treaty	Jun. 05, 2012 Pending Litigation United States District Court for the District of Delaware unnamed_trust	Jul. 12, 2013 Pending Litigation United States District Court for the Southern District of New York case claim	Mar. 31, 2014 Pending Litigation United States District Court for the Southern District of New York case	Aug. 26, 2013 Pending Litigation United States District Court for the Southern District of New York claim	Jul. 12, 2013 Pending Litigation United States District Court for the Southern District of New York claim	Apr. 09, 2014 Subsequent Event Pending Litigation United States District Court for the District of Delaware claim	Mar. 31, 2014 UPCH Unclaimed Property Inquiries [Member] state	Mar. 31, 2014 Kelmar Unclaimed Property Inquiries [Member] state
Loss Contingencies [Line Items]
Civil monetary penalty		$ 475,000
Civil monetary penalty per filing for the first week in which a filing is delinquent		20,000
Civil monetary penalty fee for each week after one week delinquent		20,000
Civil monetary penalty fee multiplier for number of complete weeks after one week		$ 5,000
Number of unnamed trusts				60
Number of treaties			1
Number of claims dismissed									7
Number of claims								2	10
Number of claims partially dismissed									2
Number of cases decertified							1
Number of new Claims filed					4	5
Number of states issuing letters directing to take remedial action	2
Number of states investigating COI adjustments										32	7