FAIR VALUE OF FINANCIAL INSTRUMENTS (Details 5) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Assets:
Mortgage loans on real estate	$ 5,390,844	$ 5,486,417
Policy loans	1,793,110	1,815,744
Fixed maturities, held-to-maturity	385,000	365,000
Liabilities:
Stable value product account balances	2,537,504	2,559,552
Annuity account balances	11,113,637	11,125,253
Debt
Non-recourse funding obligations	1,515,437	1,495,448
Golden Gate V
Debt
Non-recourse funding obligations	385,000
Carrying Amounts
Assets:
Mortgage loans on real estate	5,390,844	5,486,417
Policy loans	1,793,110	1,815,744
Fixed maturities, held-to-maturity	385,000	365,000
Liabilities:
Stable value product account balances	2,537,504	2,559,552
Annuity account balances	11,113,637	11,125,253
Debt
Non-recourse funding obligations	1,515,437	1,495,448
Carrying Amounts | Golden Gate V
Debt
Non-recourse funding obligations	385,000	365,000
Fair Values | Golden Gate V
Debt
Non-recourse funding obligations	398,300	321,500
Fair Values | Level 3
Assets:
Mortgage loans on real estate	5,909,438	5,949,058
Policy loans	1,793,110	1,815,744
Fixed maturities, held-to-maturity	420,747	335,676
Liabilities:
Stable value product account balances	2,556,791	2,566,209
Annuity account balances	10,663,008	10,639,637
Debt
Non-recourse funding obligations	$ 1,464,103	$ 1,272,425