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Reinsurance Reinsurance (Tables)
12 Months Ended
Dec. 31, 2020
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Abstract]  
Effects of Reinsurance
Year Ended December 31,
202020192018
(dollars in thousands)
Incurred and paid claims$15,004 $24,380 $14,800 
Change in claims outstanding and claims IBNR
$34,173 $5,647 $11,800