Income Taxes (Details 1) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Deferred tax assets
Unearned premium reserve reduction	$ 15,555	$ 14,952
Compensation accruals	13,188	13,592
Other comprehensive income net funded status of pension and other postretirement benefit obligations	6,376	8,352
Discounting of unpaid claims and claim expenses tax reserves	4,747	4,825
Postretirement benefits other than pensions	2,048	2,333
Impaired securities	1,800	1,268
Total gross deferred tax assets	43,714	45,322
Deferred tax liabilities
Other comprehensive income - net unrealized gains on fixed maturities and equity securities	81,497	228,159
Deferred policy acquisition costs	80,159	62,411
Life insurance future policy benefit reserve	21,792	18,620
Investment related adjustments	18,317	15,375
Intangible assets	4,262	4,262
Other, net	900	3,221
Total gross deferred tax liabilities	206,927	332,048
Net deferred tax liability	$ 163,213	$ 286,726