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Leases (Tables)
 3 Months Ended
Mar. 31, 2021
Lessee Disclosure [Abstract]  
Schedule of estimated lease payments Future undiscounted lease payments for operating leases with initial terms of one year or more as of March 31, 2021 are as follows.
($ in thousands)
April 1, 2021 to December 31, 2021$1,492 
20221,742 
20231,640 
20241,503 
20251,318 
Thereafter18,380 
Total undiscounted lease payments26,075 
Less effect of discounting(8,721)
Present value of estimated lease payments (lease liability)$17,354