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Leases (Tables)
3 Months Ended
Mar. 31, 2023
Leases [Abstract]  
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
     
   Operating 
(dollars in thousands)  Leases 
2023  $1,513  
2024   2,067 
2025   2,124 
2026   2,176 
2027   2,232 
Thereafter   22,200 
Total undiscounted lease payments   32,312 
Discount effect of cash flows   6,813 
Total lease liability  $25,499