Insurance Operations - Composition of Insurance Entities' Aggregate Policies-In-Force (Detail)	Dec. 31, 2013	Dec. 31, 2012
In Florida [Member]
Statutory Accounting Practices [Line Items]
Percentage of Policies-In-Force	93.00%	96.00%
With Wind Coverage [Member]
Statutory Accounting Practices [Line Items]
Percentage of Policies-In-Force	98.00%	98.00%
With Wind Coverage in South Florida [Member]
Statutory Accounting Practices [Line Items]
Percentage of Policies-In-Force	27.00%	28.00%