Regulatory Capital Requirements (Tables)

12 Months Ended

Dec. 31, 2025

Regulatory Assets and Liabilities Disclosure [Abstract]

Schedule of Actual Capital Amounts and Ratios

The following table shows the Company’s actual capital amounts and ratios as of December 31, 2025 and 2024, compared to the FRB minimum capital adequacy requirements and the FRB requirements for classification as a well-capitalized institution (dollars in thousands).


	Actual capital				FRB minimum capital adequacy requirements				FRB minimum capital adequacy requirements with capital conservation buffer				To be well-capitalized under prompt corrective action provisions
	Amount		Ratio		Amount		Ratio		Amount		Ratio		Amount		Ratio
As of December 31, 2025
Tier 1 leverage capital	$	2,172,179	9.01	%	$	964,757	4.00	%	$	964,757	4.00	%	$	1,205,947	5.00	%
Common equity Tier 1 risk-based capital	2,172,179		10.52		929,277		4.50		1,445,542		7.00		1,342,289		6.50
Tier 1 risk-based capital	2,172,179		10.52		1,239,036		6.00		1,755,301		8.50		1,652,048		8.00
Total risk-based capital	2,801,492		13.57		1,652,048		8.00		2,168,313		10.50		2,065,060		10.00


	Actual capital				FRB minimum capital adequacy requirements				FRB minimum capital adequacy requirements with capital conservation buffer				To be well-capitalized under prompt corrective action provisions
	Amount		Ratio		Amount		Ratio		Amount		Ratio		Amount		Ratio
As of December 31, 2024
Tier 1 leverage capital	$	1,984,052	8.50	%	$	933,491	4.00	%	$	933,491	4.00	%	$	1,166,864	5.00	%
Common equity Tier 1 risk-based capital	1,984,052		9.98		894,957		4.50		1,392,156		7.00		1,292,716		6.50
Tier 1 risk-based capital	1,984,052		9.98		1,193,276		6.00		1,690,475		8.50		1,591,035		8.00
Total risk-based capital	2,614,625		13.15		1,591,035		8.00		2,088,233		10.50		1,988,794		10.00

Schedule of FDIC Minimum Capital Adequacy Requirements

The following table shows the Bank’s actual capital amounts and ratios as of December 31, 2025 and 2024, compared to the FDIC minimum capital adequacy requirements and the FDIC requirements for classification as a well-capitalized institution (dollars in thousands).


	Actual capital				FDIC minimum capital adequacy requirements				FDIC minimum capital adequacy requirements with capital conservation buffer				To be well-capitalized under prompt corrective action provisions
	Amount		Ratio		Amount		Ratio		Amount		Ratio		Amount		Ratio
As of December 31, 2025
Tier 1 leverage capital	$	2,504,536	10.38	%	$	965,017	4.00	%	$	965,017	4.00	%	$	1,206,271	5.00	%
Common equity Tier 1 risk-based capital	2,504,536		12.15		927,732		4.50		1,443,138		7.00		1,340,057		6.50
Tier 1 risk-based capital	2,504,536		12.15		1,236,975		6.00		1,752,382		8.50		1,649,301		8.00
Total risk-based capital	2,696,167		13.08		1,649,301		8.00		2,164,707		10.50		2,061,626		10.00


	Actual capital				FDIC minimum capital adequacy requirements				FRB minimum capital adequacy requirements with capital conservation buffer				To be well-capitalized under prompt corrective action provisions
	Amount		Ratio		Amount		Ratio		Amount		Ratio		Amount		Ratio
As of December 31, 2024
Tier 1 leverage capital	$	2,265,907	9.72	%	$	932,593	4.00	%	$	932,593	4.00	%	$	1,165,742	5.00	%
Common equity Tier 1 risk-based capital	2,265,907		11.42		892,544		4.50		1,388,402		7.00		1,289,231		6.50
Tier 1 risk-based capital	2,265,907		11.42		1,190,059		6.00		1,685,917		8.50		1,586,745		8.00
Total risk-based capital	2,458,799		12.40		1,586,745		8.00		2,082,603		10.50		1,983,432		10.00