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Policyholders' Liabilities
12 Months Ended
Dec. 31, 2016
Liability for Future Policy Benefits [Abstract]  
Policyholders' Liabilities
POLICYHOLDERS’ LIABILITIES
Future Policy Benefits
Future policy benefits at December 31 were as follows:
 
 
 
2016
 
2015
 
 
 
 
 
 
 
(in thousands)
Life insurance – domestic
 
$
964

 
$
75

Individual and group annuities and supplementary contracts(2)
 
446,318

 
441,595

Other contract liabilities(2)
 
1,267,739

 
3,136,992

Individual and group annuities assumed upon reinsurance agreement with Pruco Life(1)
 
528,210

 
0

Other contract liabilities assumed upon reinsurance agreement with Pruco Life(1)
 
6,442,965

 
0

Total future policy benefits
 
$
8,686,196

 
$
3,578,662


(1)
See Note 1 for additional information.
(2)
Includes assumed reinsurance business from Pruco Life.

Life insurance liabilities include reserves for death benefits. Individual and group annuities and supplementary contract liabilities include reserves for life contingent immediate annuities and life contingent group annuities. Other contract liabilities include unearned premiums and certain other reserves for annuities and individual life products.
Future policy benefits for domestic individual non-participating traditional life insurance policies are generally equal to the present value of future benefit payments and related expenses, less the present value of future net premiums. Assumptions as to mortality, morbidity and persistency are based on the Company’s experience, industry data, and/or other factors, when the basis of the reserve is established. Interest rates used in the determination of the present values range from 0.0% to 0.0% for setting domestic insurance reserves.
Future policy benefits for individual and group annuities and supplementary contracts with life contingencies are generally equal to the present value of expected future payments. Assumptions as to mortality are based on the Company’s experience, industry data, and/or other factors, when the basis of the reserve is established. The interest rates used in the determination of the present values generally range from 0.0% to 8.3%, with approximately 0.1% of the reserves based on an interest rate in excess of 8.0%.
The Company’s liability for future policy benefits are primarily liabilities for guaranteed benefits related to certain long-duration life and annuity contracts. Liabilities for guaranteed benefits with embedded derivative features are primarily in "Other contract liabilities" in the table above. The remaining liabilities for guaranteed benefits are primarily reflected with the underlying contract. The interest rates used in the determination of the present values range from 1.4% to 4.1%. See Note 7 for additional information regarding liabilities for guaranteed benefits related to certain long-duration contracts.

Premium deficiency reserves included in “Future policy benefits” are established, if necessary, when the liability for future policy benefits plus the present value of expected future gross premiums are determined to be insufficient to provide for expected future policy benefits and expenses. Premium deficiency reserves have been recorded for the individual annuity business, which consists of limited-payment, long-duration; and single premium immediate annuities with life contingencies.
 
Policyholders’ Account Balances
Policyholders’ account balances at December 31 for the years indicated were as follows: 
 
 
2016
 
2015
 
 
 
 
 
 
 
(in thousands)
Interest-sensitive life contracts
 
$
15,666

 
$
15,832

Individual annuities(2)
 
1,441,126

 
1,337,876

Guaranteed interest accounts
 
893,419

 
1,062,417

Assumed policyholders' liabilities upon reinsurance agreement with Pruco Life(1)
 
2,386,678

 
0

Total policyholders’ account balances
 
$
4,736,889

 
$
2,416,125


(1)
See Note 1 for additional information.
(2)
Includes assumed reinsurance business from Pruco Life.

Policyholders’ account balances represent an accumulation of account deposits plus credited interest less withdrawals, expenses and mortality charges, if applicable. These policyholders’ account balances also include provisions for benefits under non-life contingent payout annuities. Interest crediting rates range from 3.5% to 6.0% for interest-sensitive life contracts. Interest crediting rates for individual annuities range from 0.0% to 6.5%. Interest crediting rates for guaranteed interest accounts range from 0.0% to 5.8%.