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| Source | Taxonomy Implementation Guide | http://fasb.org/us-gaap/role/tin/resource |
| SourceName | Insurance-Long-Duration Contracts | http://fasb.org/us-gaap/role/tin/resource |
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| SourceName | Long-duration Insurance | http://fasb.org/srt/role/changeNote/changeNote |
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| ChangeDate | 2018-08 | http://fasb.org/srt/role/changeNote/changeNote |
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| PreviousDocumentation | Net amount of deferred policy acquisition costs capitalized on contracts remaining in force as of the balance sheet date. | http://fasb.org/srt/role/changeNote/changeNote |
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