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Fair Value of Financial Instruments (Details 2) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Investments
Other investments, Carrying Amount	$ 149,784	$ 148,759
Other investments, Fair Value	154,287	153,228
Financial Liabilities
Investment contract and life policy reserves, fixed annuity contracts, Carrying Amount	4,204,207	4,072,102
Investment contract and life policy reserves, fixed annuity contracts, Fair value	4,078,236	4,049,840
Investment contract and life policy reserves, account values on life contracts, Carrying Amount	78,194	77,429
Investment contract and life policy reserves, account values on life contracts, Fair value	82,109	81,360
Other policyholder funds, Carrying Amount	651,008	653,631
Other policyholder funds, Fair Value	651,008	653,631
Long-term debt, Carrying Amount	247,083	246,975
Long-term debt, Fair Value	262,723	252,700
Level 1 [Member]
Investments
Other investments, Fair Value	0	0
Financial Liabilities
Investment contract and life policy reserves, fixed annuity contracts, Fair value	0	0
Investment contract and life policy reserves, account values on life contracts, Fair value	0	0
Other policyholder funds, Fair Value	0	0
Long-term debt, Fair Value	262,723	252,700
Level 2 [Member]
Investments
Other investments, Fair Value	0	0
Financial Liabilities
Investment contract and life policy reserves, fixed annuity contracts, Fair value	0	0
Investment contract and life policy reserves, account values on life contracts, Fair value	0	0
Other policyholder funds, Fair Value	575,233	575,104
Long-term debt, Fair Value	0	0
Level 3 [Member]
Investments
Other investments, Fair Value	154,287	153,228
Financial Liabilities
Investment contract and life policy reserves, fixed annuity contracts, Fair value	4,078,236	4,049,840
Investment contract and life policy reserves, account values on life contracts, Fair value	82,109	81,360
Other policyholder funds, Fair Value	75,775	78,527
Long-term debt, Fair Value	$ 0	$ 0

X

- Definition

The fair value of accrued obligation to policyholders that relates to insured events under individual and group annuities and supplementary insurance contracts.

+ References

No definition available.

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Liability for policy holder account balances life.

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Liability for policyholder account balances life fair value.

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- Definition

Fair Value of the liability as of the balance sheet date to the policyholders for funds held that are returnable under the terms of insurance contracts that were not separately reported.

+ References

No definition available.

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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-Subparagraph (SX 210.5-02(12))
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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of investments classified as other.

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Amount due to policyholders for funds held that are returnable under the terms of insurance contracts, classified as other.

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