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Leases (Tables)
 12 Months Ended
Dec. 31, 2020
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 December 31, 2020 are as follows:
($ in thousands)
Year ending December 31: 
2021$2,245 
20221,832 
20231,673 
20241,472 
20251,242 
Thereafter18,272 
Total undiscounted lease payments26,736 
Less effect of discounting(8,868)
Present value of estimated lease payments (lease liability)$17,868