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Deferred Costs (Tables) | 3 Months Ended
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Mar. 31, 2023
Deferred Costs [Abstract] |
Summary of Deferred Costs and Amortization of Deferred Costs | The deferred costs activity was as follows:
| Three Months Ended March 31, |  |
(in thousands) | 2023 |  | 2022 |  |  |  |
Balance, beginning of period | $ | 70,179 |  |  | $ | 59,720 |  |  |  |  |
Incurred deferred costs | 18,234 |  |  | 17,781 |  |  |  |  |
Amortized deferred costs | (16,604) |  |  | (14,891) |  |  |  |  |
Balance, end of period | $ | 71,809 |  |  | $ | 62,610 |  |  |  |  |

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