SCHEDULE IV - REINSURANCE (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Life insurance in-force
Gross Amount	$ 726,697,151,000	$ 706,415,969,000	$ 728,670,260,000
Ceded to Other Companies	416,809,287,000	444,950,866,000	469,530,487,000
Assumed from Other Companies	46,752,176,000	30,470,432,000	32,812,882,000
Net premiums	356,640,040,000	291,935,535,000	291,952,655,000
Percentage of Amount Assumed to Net	13.10%	10.40%	11.20%
Premiums and policy fees:
Gross Amount	2,628,133,000	2,481,501,000	2,507,787,000
Ceded to Other Companies	1,387,438,000	1,310,098,000	1,363,913,000
Assumed from Other Companies	339,190,000	317,889,000	276,346,000
Net premiums	1,579,885,000	1,489,292,000	1,420,220,000
Life insurance
Premiums and policy fees:
Gross Amount	2,371,871,000	2,226,614,000	2,245,359,000
Ceded to Other Companies	1,299,631,000	1,228,444,000	1,278,273,000
Assumed from Other Companies	306,921,000	281,711,000	248,467,000
Net premiums	1,379,161,000	1,279,881,000	1,215,553,000
Percentage of Amount Assumed to Net	22.30%	22.00%	20.40%
Annuity policy fees	88,700,000	103,800,000	74,900,000
Accident/health insurance
Premiums and policy fees:
Gross Amount	45,262,000	38,873,000	43,161,000
Ceded to Other Companies	20,011,000	12,065,000	14,415,000
Assumed from Other Companies	24,291,000	29,413,000	21,719,000
Net premiums	49,542,000	56,221,000	50,465,000
Percentage of Amount Assumed to Net	49.00%	52.30%	43.00%
Property and liability insurance
Premiums and policy fees:
Gross Amount	211,000,000	216,014,000	219,267,000
Ceded to Other Companies	67,796,000	69,589,000	71,225,000
Assumed from Other Companies	7,978,000	6,765,000	6,160,000
Net premiums	$ 151,182,000	$ 153,190,000	$ 154,202,000
Percentage of Amount Assumed to Net	5.30%	4.40%	4.00%