Reinsurance and Policy Benefits and Losses, Claims and Loss Expenses Payable (Insurance Subsidiaries Activity) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Year ended December 31,
Direct amount (a)	[1]	$ 198,884	$ 187,420	$ 182,693
Ceded to other companies		320	345	632
Assumed from other companies		14,118	15,484	16,910
Net amount (a)	[1]	212,682	202,559	198,971
Direct amount (a) - Life insurance in force	[1]	927,647	905,987	861,967
Ceded to other companies - Life insurance in force		397	402	403
Assumed from other companies - Life insurance in force		949,413	990,406	1,033,136
Net amount (a) - Life insurance in force	[1]	$ 1,876,663	$ 1,895,991	$ 1,894,700
Percentage of amount assumed to net - Life insurance in force		51.00%	52.00%	55.00%
Premiums earned: Life [Member]
Year ended December 31,
Direct amount (a)	[1]	$ 49,126	$ 47,298	$ 45,625
Ceded to other companies		8		212
Assumed from other companies		11,310	$ 12,337	12,888
Net amount (a)	[1]	$ 60,428	$ 59,635	$ 58,301
Percentage of amount assumed to net		19.00%	21.00%	22.00%
Premiums earned: Accident and health [Member]
Year ended December 31,
Direct amount (a)	[1]	$ 99,354	$ 93,319	$ 95,536
Ceded to other companies		312	345	397
Assumed from other companies		2,545	2,796	3,157
Net amount (a)	[1]	$ 101,587	$ 95,770	$ 98,296
Percentage of amount assumed to net		3.00%	3.00%	3.00%
Premiums earned: Annuity [Member]
Year ended December 31,
Direct amount (a)	[1]	$ 392	$ 386	$ 847
Ceded to other companies				23
Assumed from other companies		$ 255	$ 312	498
Net amount (a)	[1]	$ 647	$ 698	$ 1,322
Percentage of amount assumed to net		39.00%	45.00%	38.00%
Premiums earned: Property and casualty [Member]
Year ended December 31,
Direct amount (a)	[1]	$ 50,012	$ 46,417	$ 40,685
Ceded to other companies
Assumed from other companies		$ 8	$ 39	$ 367
Net amount (a)	[1]	$ 50,020	$ 46,456	$ 41,052
Percentage of amount assumed to net		0.00%	0.00%	1.00%

[1] Balances are reported net of inter-segment transactions