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Fair Value of Financial Instruments - Financial Instrument Not Carried at Fair Value (Details) - USD ($) $ in Thousands | Jun. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Level 1 |  |
Investments |  |
Other investments | $ 0 | $ 0
Financial Liabilities |  |
Investment contract and life policy reserves, fixed annuity contracts | 0 | 0
Investment contract and life policy reserves, account values on life contracts | 0 | 0
Other policyholder funds | 0 | 0
Long-term debt | 257,929 | 248,191
Level 2 |  |
Investments |  |
Other investments | 0 | 0
Financial Liabilities |  |
Investment contract and life policy reserves, fixed annuity contracts | 0 | 0
Investment contract and life policy reserves, account values on life contracts | 0 | 0
Other policyholder funds | 575,475 | 575,253
Long-term debt | 0 | 0
Level 3 |  |
Investments |  |
Other investments | 157,530 | 156,536
Financial Liabilities |  |
Investment contract and life policy reserves, fixed annuity contracts | 4,288,095 | 4,280,528
Investment contract and life policy reserves, account values on life contracts | 86,175 | 85,066
Other policyholder funds | 69,534 | 74,304
Long-term debt | 0 | 0
Carrying Amount |  |
Investments |  |
Other investments | 152,970 | 151,965
Financial Liabilities |  |
Investment contract and life policy reserves, fixed annuity contracts | 4,377,759 | 4,360,456
Investment contract and life policy reserves, account values on life contracts | 80,768 | 79,591
Other policyholder funds | 645,009 | 649,557
Long-term debt | 247,337 | 247,209
Fair Value |  |
Investments |  |
Other investments | 157,530 | 156,536
Financial Liabilities |  |
Investment contract and life policy reserves, fixed annuity contracts | 4,288,095 | 4,280,528
Investment contract and life policy reserves, account values on life contracts | 86,175 | 85,066
Other policyholder funds | 645,009 | 649,557
Long-term debt | $ 257,929 | $ 248,191

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- 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. + Details
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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. + Details
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- Definition 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 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(12)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Trading Securities -URI http://asc.fasb.org/extlink&oid=6526789 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 35 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=27723805&loc=d3e24584-111560 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=65884222&loc=d3e22054-111558 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Available-for-Sale Securities -URI http://asc.fasb.org/extlink&oid=6505594 + Details
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