Regulatory Restrictions (Tables)

12 Months Ended

Dec. 31, 2023

Regulatory Restrictions [Abstract]

Schedule of Capital Ratios

	Actual				Fully Phased-In Regulatory Guidelines Minimum			To Be Well Capitalized Under Current Prompt Corrective Action Provisions
($ in thousands)	Amount		Ratio		Amount	Ratio		Amount	Ratio
					(must equal or exceed)			(must equal or exceed)
As of December 31, 2023
Common Equity Tier I Capital Ratio
Company	$	1,187,027	13.20	%	629,376	7.00	%	N/A	N/A
Bank	1,291,074		14.36	%	629,256	7.00	%	584,309	6.50	%
Total Capital Ratio
Company	1,397,502		15.54	%	944,064	10.50	%	N/A	N/A
Bank	1,403,551		15.61	%	943,884	10.50	%	898,938	10.00	%
Tier I Capital Ratio
Company	1,257,834		13.99	%	764,242	8.50	%	N/A	N/A
Bank	1,291,074		14.36	%	764,097	8.50	%	719,150	8.00	%
Leverage Ratio
Company	1,257,834		10.91	%	461,312	4.00	%	N/A	N/A
Bank	1,291,074		11.20	%	461,248	4.00	%	576,560	5.00	%
As of December 31, 2022
Common Equity Tier I Capital Ratio
Company	$	1,010,369	13.02	%	543,403	7.00	%	N/A	N/A
Bank	1,077,526		13.88	%	543,301	7.00	%	504,494	6.50	%
Total Capital Ratio
Company	1,171,084		15.09	%	815,104	10.50	%	N/A	N/A
Bank	1,174,634		15.13	%	814,951	10.50	%	776,144	10.00	%
Tier I Capital Ratio
Company	1,073,958		13.83	%	659,846	8.50	%	N/A	N/A
Bank	1,077,526		13.88	%	659,723	8.50	%	620,915	8.00	%
Leverage Ratio
Company	1,073,958		10.51	%	408,623	4.00	%	N/A	N/A
Bank	1,077,526		10.55	%	408,569	4.00	%	510,712	5.00	%