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Deferred Policy Acquisition Costs | 12 Months Ended
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Dec. 31, 2020
Deferred Policy Acquisition Costs Disclosures [Abstract] |
Deferred Policy Acquisition Costs | 10. DEFERRED POLICY ACQUISITION COSTS Changes in DAC
| For the years ended December 31,
| 2020 | 2019 | 2018
Balance, beginning of period | $ | 785 |  | $ | 670 |  | $ | 650 |
Deferred costs | 1,666 |  | 1,635 |  | 1,404 |
Amortization — DAC | (1,706) |  | (1,622) |  | (1,384) |
Add back amortization of value of business acquired [1] | 47 |  | 102 |  | — |
DAC transferred to assets held for sale | (3) |  | — |  | — |
Balance, end of period | $ | 789 |  | $ | 785 |  | $ | 670 |
[1] While the value of in-force contracts acquired from the Navigators Group acquisition is included in other intangible assets, the amortization of that asset is recorded as DAC amortization.

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- Definition The entire disclosure for deferred policy acquisition costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 30 -URI http://asc.fasb.org/subtopic&trid=4737841 + Details
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