Financial Schedules Schedule IV - Reinsurance (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items]
Life Insurance Assumed Ratio	5.80%us-gaap_LifeInsuranceAssumedRatio	7.60%us-gaap_LifeInsuranceAssumedRatio	16.10%us-gaap_LifeInsuranceAssumedRatio
Direct Premiums, Life Insurance in Force	$ 4,910,662us-gaap_LifeInsuranceInForceGross	$ 4,731,606us-gaap_LifeInsuranceInForceGross	$ 4,641,794us-gaap_LifeInsuranceInForceGross
Ceded Premiums, Life Insurance in Force	516,643us-gaap_LifeInsuranceInForceCeded	467,491us-gaap_LifeInsuranceInForceCeded	466,898us-gaap_LifeInsuranceInForceCeded
Assumed Premiums, Life Insurance in Force	268,641us-gaap_LifeInsuranceInForceAssumed	352,013us-gaap_LifeInsuranceInForceAssumed	801,261us-gaap_LifeInsuranceInForceAssumed
Premiums, Net, Life Insurance in Force	4,662,660us-gaap_LifeInsuranceInForceNet	4,616,128us-gaap_LifeInsuranceInForceNet	4,976,157us-gaap_LifeInsuranceInForceNet
Direct Premiums Earned	191,438us-gaap_DirectPremiumsEarned	179,386us-gaap_DirectPremiumsEarned	175,546us-gaap_DirectPremiumsEarned
Ceded Premiums Earned	3,327us-gaap_CededPremiumsEarned	3,416us-gaap_CededPremiumsEarned	6,948us-gaap_CededPremiumsEarned
Assumed Premiums Earned	421us-gaap_AssumedPremiumsEarned	188us-gaap_AssumedPremiumsEarned	1,275us-gaap_AssumedPremiumsEarned
Premiums Earned, Net	188,532us-gaap_PremiumsEarnedNet	176,158us-gaap_PremiumsEarnedNet	169,873us-gaap_PremiumsEarnedNet
Contracts in Force Subject to Participation through Reinsurance, Ratio	0.20%	0.10%	0.80%
Life Insurance Segment [Member]
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items]
Direct Premiums Earned	183,764	171,752	163,935
Ceded Premiums Earned	2,328	2,257	2,040
Assumed Premiums Earned	421	188	1,275
Premiums Earned, Net	181,857	169,683	163,170
Accident and Health Insurance Segment [Member]
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items]
Direct Premiums Earned	1,589	1,581	5,509
Ceded Premiums Earned	32	52	3,874
Assumed Premiums Earned	0	0	0
Premiums Earned, Net	1,557	1,529	1,635
Property, Liability and Casualty Insurance Segment [Member]
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items]
Direct Premiums Earned	6,085	6,053	6,102
Ceded Premiums Earned	967	1,107	1,034
Assumed Premiums Earned	0	0	0
Premiums Earned, Net	$ 5,118	$ 4,946	$ 5,068

Amount of earned premiums assumed from other entities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 17

-Article 12

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 235

-Section S99

-Paragraph 2

-Subparagraph (SX 210.12-17)

-URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e574992-122915

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-04.1)

-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 605

-Section 50

-Paragraph 1

-Subparagraph (b),(c)(2)

-URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 1

-Article 7

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Amount of earned premiums ceded to other entities.

+ References

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- Definition

Ratio of insurance contracts that are subject to reinsurance participation to all contracts in force.

+ References

No definition available.

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- Definition

Amount, before premiums ceded to other entities and premiums assumed by the entity, of premiums earned.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 17

-Article 12

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 235

-Section S99

-Paragraph 2

-Subparagraph (SX 210.12-17)

-URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e574992-122915

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-04.1)

-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 1

-Article 7

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 605

-Section 50

-Paragraph 1

-Subparagraph (b),(c)(1)

-URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547

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- Definition

Ratio of life insurance assumed from another insurer to gross life insurance in force.

+ References

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- Definition

Amount of life insurance issued and outstanding assumed from other entities. Includes, but not limited to, dividends and adjustments to face value.

+ References

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- Definition

Amount of life insurance issued and outstanding ceded to other entities. Includes, but not limited to, dividends and adjustments to face value.

+ References

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- Definition

Amount before contracts ceded to other entities and contracts assumed by the entity of life insurance issued and outstanding. Includes, but not limited to, dividends and adjustments to face value.

+ References

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- Definition

Amount after contracts ceded to other entities and contracts assumed by the entity of life insurance issued and outstanding. Includes, but not limited to, dividends and adjustments to face value.

+ References

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- Definition

Amount, after premiums ceded to other entities and premiums assumed by the entity, of premiums earned.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 17

-Article 12

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 235

-Section S99

-Paragraph 2

-Subparagraph (SX 210.12-17)

-URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e574992-122915

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-04.1)

-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 1

-Article 7

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 605

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.13(c))

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