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Deferred Costs
 12 Months Ended
Dec. 31, 2023
Deferred Costs [Abstract]  
Deferred Costs Deferred Costs
The deferred costs activity was as follows:
Year Ended December 31,
(in thousands)20232022
Balance, beginning of year$70,179 $59,720 
Incurred deferred costs89,012 72,509 
Amortized deferred costs(76,441)(62,050)
Balance, end of year$82,750 $70,179