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Regulatory Capital (Tables)

9 Months Ended

Sep. 30, 2025

Summary of Significant Accounting Policies

Summary of compliance with banking regulatory capital standards

​

​	​	​	​	​	​	​	​	​	​	​	​
​		September 30, 2025					December 31, 2024
​	​	​	​	​	Percent of	​	​	​	​	Percent of
​		Amount			Assets		Amount			Assets
​		(Dollars in thousands)									​
Tier I (leverage) capital:		​					​				​
Capital level	​	$	895,465		10.30	%	$	847,588		9.31	%
Requirement to be well-capitalized	​		434,841		5.00	​		455,335		5.00	​
Excess	​		460,624		5.30	​		392,253		4.31	​
​	​	​	​	​	​	​	​	​	​	​	​
Common Equity Tier I risk-based capital:	​					​					​
Capital level	​	$	895,465		13.38	%	$	847,588		12.51	%
Requirement to be well-capitalized	​		435,047		6.50	​		440,259		6.50	​
Excess	​		460,418		6.88	​		407,329		6.01	​
​	​	​	​	​	​	​	​	​	​	​	​
Tier I risk-based capital:	​					​					​
Capital level	​	$	895,465		13.38	%	$	847,588		12.51	%
Requirement to be well-capitalized	​		535,442		8.00	​		541,857		8.00	​
Excess	​		360,023		5.38	​		305,731		4.51	​
​	​	​	​	​	​	​	​	​	​	​	​
Total risk-based capital:	​					​					​
Capital level	​	$	938,033		14.02	%	$	887,902		13.11	%
Requirement to be well-capitalized	​		669,303		10.00	​		677,321		10.00	​
Excess	​		268,730		4.02	​		210,581		3.11	​

Holding Company

Summary of Significant Accounting Policies

Summary of compliance with banking regulatory capital standards

​

​	​	​	​	​	​	​	​	​	​	​	​
​		September 30, 2025					December 31, 2024
​	​	​	​	​	Percent of	​	​	​	​	Percent of
​		Amount			Assets		Amount			Assets
​	​	(Dollars in thousands)
Tier I (leverage) capital:		​					​				​
Capital level	​	$	751,258		8.64	%	$	731,958		8.04	%
Requirement to be well-capitalized	​		434,790		5.00	​		455,297		5.00	​
Excess	​		316,468		3.64	​		276,661		3.04	​
​	​	​	​	​	​	​	​	​	​	​	​
Common Equity Tier I risk-based capital:	​		​			​		​			​
Capital level	​	$	703,450		10.51	%	$	685,004		10.13	%
Requirement to be well-capitalized	​		434,982		6.50	​		439,533		6.50	​
Excess	​		268,468		4.01	​		245,471		3.63	​
​	​	​	​	​	​	​	​	​	​	​	​
Tier I risk-based capital:	​		​			​		​			​
Capital level	​	$	751,258		11.23	%	$	731,958		10.82	%
Requirement to be well-capitalized	​		535,363		8.00	​		540,964		8.00	​
Excess	​		215,895		3.23	​		190,994		2.82	​
​	​	​	​	​	​	​	​	​	​	​	​
Total risk-based capital:	​		​			​		​			​
Capital level	​	$	983,826		14.70	%	$	962,272		14.23	%
Requirement to be well-capitalized	​		669,204		10.00	​		676,205		10.00	​
Excess	​		314,622		4.70	​		286,067		4.23	​

​

X

- Definition

Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1B

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- References

No definition available.

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