PREMISES AND EQUIPMENT - Schedule of Premises and Equipment, net (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Premises and equipment
Premises and equipment, gross	$ 309,180	$ 226,695
Accumulated depreciation and amortization	(115,736)	(107,875)
Premises and equipment, net	193,444	118,820
Land and improvements
Premises and equipment
Premises and equipment, gross	50,147	42,565
Buildings and improvements
Premises and equipment
Premises and equipment, gross	194,925	130,185
Furniture and equipment
Premises and equipment
Premises and equipment, gross	$ 64,108	$ 53,945

Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease.

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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount, before accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Subparagraph (b)
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