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Schedule IV Reinsurance (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Life insurance in force |  |  |
Gross Amount | $ 20,440,300 | $ 19,821,200 | $ 19,179,800
Ceded to Other Companies | 4,533,600 | 4,619,100 | 4,813,200
Assumed from Other Companies | 0 | 0 | 0
Net Amount | $ 15,906,700 | $ 15,202,100 | $ 14,366,600
Percentage of Amount Assumed to Net | 0.00% | 0.00% | 0.00%
Premiums |  |  |
Gross Amount | $ 913,200 | $ 949,500 | $ 917,600
Ceded to Other Companies | 33,300 | 28,700 | 30,400
Assumed from Other Companies | 9,700 | 9,900 | 10,800
Net Amount | $ 889,600 | $ 930,700 | $ 898,000
Percentage of Amount Assumed to Net | 1.10% | 1.10% | 1.20%
Property & Casualty |  |  |
Premiums |  |  |
Gross Amount | $ 623,000 | $ 652,900 | $ 689,200
Ceded to Other Companies | 15,300 | 12,700 | 16,500
Assumed from Other Companies | 9,700 | 9,900 | 10,800
Net Amount | $ 617,400 | $ 650,100 | $ 683,500
Percentage of Amount Assumed to Net | 1.60% | 1.50% | 1.60%
Supplemental |  |  |
Premiums |  |  |
Gross Amount | $ 125,600 | $ 130,900 | $ 65,900
Ceded to Other Companies | 300 | 200 | 100
Assumed from Other Companies | 0 | 0 | 0
Net Amount | $ 125,300 | $ 130,700 | $ 65,800
Percentage of Amount Assumed to Net | 0.00% | 0.00% | 0.00%
Retirement |  |  |
Premiums |  |  |
Gross Amount | $ 48,700 | $ 38,000 | $ 35,600
Ceded to Other Companies | 10,200 | 8,300 | 6,500
Assumed from Other Companies | 0 | 0 | 0
Net Amount | $ 38,500 | $ 29,700 | $ 29,100
Percentage of Amount Assumed to Net | 0.00% | 0.00% | 0.00%
Life |  |  |
Premiums |  |  |
Gross Amount | $ 115,900 | $ 127,700 | $ 126,900
Ceded to Other Companies | 7,500 | 7,500 | 7,300
Assumed from Other Companies | 0 | 0 | 0
Net Amount | $ 108,400 | $ 120,200 | $ 119,600
Percentage of Amount Assumed to Net | 0.00% | 0.00% | 0.00%

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- Definition Amount of life insurance issued and outstanding ceded to other entity, as disclosed in supplementary reinsurance information. Includes, but is not limited to, dividend and adjustment to face value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Paragraph Column C -Subsection 17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17(Column C)) -URI http://asc.fasb.org/extlink&oid=120401096&loc=d3e574992-122915 + Details
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- Definition Amount, before effect of reinsurance, of life insurance issued and outstanding, as disclosed in supplementary reinsurance information. Includes, but is not limited to, dividend and adjustment to face value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Paragraph Column B -Subsection 17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17(Column B)) -URI http://asc.fasb.org/extlink&oid=120401096&loc=d3e574992-122915 + Details
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- Definition Percentage of assumed life insurance contract issued and outstanding to life insurance contract issued and outstanding after effect of reinsurance, as disclosed in supplementary reinsurance information. Includes, but is not limited to, dividend and adjustment to face value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Paragraph Column F -Subsection 17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17(Column F)) -URI http://asc.fasb.org/extlink&oid=120401096&loc=d3e574992-122915 + Details
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