Commitments and Contingencies (Details) (USD $)	0 Months Ended	3 Months Ended
	Feb. 03, 2010 Sheila Newman case [Member]	Jun. 30, 2011 Western National Life Insurance Company case [Member] Other Revenues [Member]
Loss Contingencies [Line Items]
Final Judgement amount	$ 208,000
Final Judgement amount, actual damages	113,000
Final Judgement amount, exemplary damages	150,000,000
Gain contingency, settlement payment received		$ 4,000,000