Goodwill and other intangibles (Tables)

3 Months Ended

Mar. 31, 2026

Intangible Asset, Goodwill and Other [Abstract]

Intangible Asset and Goodwill [Table Text Block]

The following table shows the activity in goodwill and other intangible assets for the three-month periods ended March 31, 2026 and 2025.


(in thousands)	Goodwill		Core deposit intangible asset		Other intangible assets		Total
December 31, 2024	$	159,595	$	3,437	$	—	$	163,032
Amortization	—		274		—		274
March 31, 2025	$	159,595	$	3,163	$	—	$	162,758

December 31, 2025	$	159,595	$	2,395	$	—	$	161,990
Acquired goodwill and other intangible assets	103,829		34,440		3,585		141,854
Amortization	—		1,279		—		1,279
March 31, 2026	$	263,424	$	35,556	$	3,585	$	302,565

Intangible Asset [Text Block]

The following table shows the balance of acquired intangible assets at March 31, 2026 and at December 31, 2025:


	March 31, 2026				December 31, 2025
(in thousands)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Other intangible assets:
Core deposit intangible asset	$	48,896	$	13,340	$	14,456	$	12,061
Customer relationship intangible asset	3,585		—		—		—
Total	$	52,481	$	13,340	$	14,456	$	12,061

Intangible Asset, Finite-Lived, and Capitalized Cost, Software to be Sold, Leased, or Marketed, Estimated Amortization Expense [Table Text Block]

Estimated amortization expense related to core deposit intangible asset and the customer relationship intangible asset for the remainder of 2026 and the next four years follows:


(in thousands)	Core deposit intangible asset		Customer relationship intangible asset
Nine months ending December 31, 2026	$	5,349	$	598
2027	6,442		592
2028	5,679		527
2029	4,572		462
2030	3,809		397