Stockholders' Equity (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013
Total
Pre-tax	$ (1,022)
Tax (expense) benefit	(567)
Net of tax	(1,589)
Investment and other income
Realized gain on sale of available for sale investment securities
Pre-tax	(2,426)
Tax (expense) benefit	891
Net of tax	(1,535)
Provision for income taxes
Realized gain on sale of available for sale investment securities
Valuation allowance - Tax (Expense) Benefit	(900)
Underwriting and distribution expense and compensation and related costs
Amortization of pension and postretirement benefits
Pre-tax	1,404
Tax (expense) benefit	(558)
Net of tax	$ 846

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