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Policy Acquisition Costs (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Deferred Policy Acquisition Costs: |  |  |
Balance, beginning of year | $ 55,953 | $ 35,481 | $ 25,201
Direct commissions | 209,061 | 133,242 | 82,786
Ceding commissions and fronting fees | (109,302) | (32,249) | (19,371)
Premium taxes | 10,166 | 8,209 | 7,024
Total net additions | 109,925 | 109,202 | 70,439
Amortization of net policy acquisition costs | (109,138) | (88,730) | (60,159)
Balance, end of year | 56,740 | 55,953 | 35,481
Acquisition expenses: |  |  |
Amortization of net policy acquisition costs | 109,138 | 88,730 | 60,159
Period costs | 1,633 | 6,703 | 3,882
Total Acquisition expenses | $ 110,771 | $ 95,433 | $ 64,041

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