Regulatory Restrictions (Tables)

12 Months Ended

Dec. 31, 2022

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, 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	%
As of December 31, 2021
Common Equity Tier I Capital Ratio
Company	$	888,936	12.53	%	496,635	7.00	%	N/A	N/A
Bank	934,687		13.18	%	496,285	7.00	%	460,836	6.50	%
Total Capital Ratio
Company	1,040,964		14.67	%	744,953	10.50	%	N/A	N/A
Bank	1,023,354		14.43	%	744,427	10.50	%	708,979	10.00	%
Tier I Capital Ratio
Company	952,272		13.42	%	603,057	8.50	%	N/A	N/A
Bank	934,687		13.18	%	602,632	8.50	%	567,183	8.00	%
Leverage Ratio
Company	952,272		9.39	%	405,790	4.00	%	N/A	N/A
Bank	934,687		9.22	%	405,652	4.00	%	507,065	5.00	%