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Regulatory Capital Requirements (Tables)
 3 Months Ended
Mar. 31, 2026
Regulatory Capital Requirements under Banking Regulations [Abstract]  
Summary of Compliance with Regulatory Capital Requirements under Banking Regulations
The following table presents the capital amounts and ratios for the Company and the Bank as of March 31, 2026 and December 31, 2025.
March 31, 2026
AmountRegulatory Minimum Ratio + Capital Conservation Buffer
To Be Well-Capitalized Under PCA Regulation(1)
($ in thousands)
Company Amounts
Common Equity Tier 1 Capital$525,849 $335,606 N/A
Tier 1 Capital556,096 407,522 N/A
Total Capital674,811 503,409 N/A
Leverage Exposure6,098,196 243,928 N/A
Risk-Weighted Assets4,794,374 N/AN/A
Company Ratios
Common Equity Tier 1 Capital to Risk-Weighted Assets (“RWA”)10.97 %7.00 %N/A
Tier 1 Capital to RWA11.60 8.50 N/A
Total Capital to RWA14.08 10.50 N/A
Tier 1 Capital to AA (Leverage)(2)
9.12 4.00 N/A
Bank Amounts
Common Equity Tier 1 Capital$583,733 $335,386 $311,429 
Tier 1 Capital583,733 407,254 383,298 
Total Capital643,627 503,078 479,122 
Leverage Exposure6,093,905 243,756 304,695 
Risk-Weighted Assets4,791,223 N/AN/A
Bank Ratios
Common Equity Tier 1 Capital to RWA12.18 %7.00 %6.50 %
Tier 1 Capital to RWA12.18 8.50 8.00 
Total Capital to RWA13.43 10.50 10.00 
Tier 1 Capital to AA (Leverage)(2)
9.58 4.00 5.00 
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(1)Applies to the Bank only.
(2)Tier 1 Capital to Average Assets (Leverage) has no capital conservation buffer defined. The PCA well-capitalized threshold is defined as 5.00%.
December 31, 2025
AmountRegulatory Minimum Ratio + Capital Conservation Buffer
To Be Well-Capitalized Under PCA Regulation(1)
($ in thousands)
Company Amounts
Common Equity Tier 1 Capital$510,729 $339,680 N/A
Tier 1 Capital540,897 412,469 N/A
Total Capital660,451 509,520 N/A
Leverage Exposure6,129,306 245,172 N/A
Risk-Weighted Assets4,852,573 N/AN/A
Company Ratios
Common Equity Tier 1 Capital to RWA10.52 %7.00 %N/A
Tier 1 Capital to RWA11.15 8.50 N/A
Total Capital to RWA13.61 10.50 N/A
Tier 1 Capital to AA (Leverage)(2)
8.82 4.00 N/A
Bank Amounts
Common Equity Tier 1 Capital$569,183 $339,125 $314,902 
Tier 1 Capital569,183 411,794 387,571 
Total Capital629,746 508,687 484,464 
Leverage Exposure6,122,775 244,911 306,139 
Risk-Weighted Assets4,844,639 N/AN/A
Bank Ratios
Common Equity Tier 1 Capital to RWA11.75 %7.00 %6.50 %
Tier 1 Capital to RWA11.75 8.50 8.00 
Total Capital to RWA13.00 10.50 10.00 
Tier 1 Capital to AA (Leverage)(2)
9.30 4.00 5.00 
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(1)Applies to the Bank only.
(2)Tier 1 Capital to Average Assets (Leverage) has no capital conservation buffer defined. The PCA well-capitalized threshold is defined as 5.00%.