Reinsurance and Policy Benefits and Losses, Claims, and Loss Expenses Payable (Activity in the Liability for Unpaid Losses and Loss Adjustment Expenses for Property and Casualty Insurance) (Details) - Operating Segments [Member] - Property and Casualty Insurance [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]
Balance at January 1	$ 271,609	$ 295,126	$ 330,093
Less: reinsurance recoverables	120,894	136,535	176,439
Net balance at January 1	150,715	158,591	153,654
Incurred related to:
Current year	12,214	11,690	9,861
Prior years	84	(694)	1,652
Total incurred	12,298	10,996	11,513
Paid related to:
Current year	7,509	6,155	5,226
Prior years	10,851	12,717	1,350
Total paid	18,360	18,872	6,576
Net balance at December 31	144,653	150,715	158,591
Plus: reinsurance recoverables	107,311	120,894	136,535
Balance at December 31	$ 251,964	$ 271,609	$ 295,126