LOAN SERVICING RIGHTS - Schedule of Activity of Servicing Rights (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Servicing Asset at Fair Value, Amount [Roll Forward]
Beginning balance	$ 174,652
Ending balance	174,269
Residential mortgage servicing rights
Servicing Asset at Fair Value, Amount [Roll Forward]
Beginning balance	171,915	$ 147,014
Additions	5,456	7,730
Amortization	(5,403)	(4,758)
Ending balance	171,968	149,986
SBA servicing rights
Servicing Asset at Fair Value, Amount [Roll Forward]
Beginning balance	2,737	3,443
Additions	19	44
Amortization	(455)	(321)
Ending balance	$ 2,301	$ 3,166

The periodic amortization (in proportion to and over the period of estimated net servicing income or loss) of capitalized servicing rights, which contractually entitle the servicer to receive fees and ancillary revenues for performing billing, collection, disbursement and recordkeeping services in connection with a mortgage portfolio. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 860
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-Publisher FASB
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- Definition

The value of new servicing assets, subsequently measured at fair value, acquired or created during the current period through purchases or from transfers of financial assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 860
-SubTopic 50
-Name Accounting Standards Codification
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-Paragraph 3
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481229/860-50-50-3

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- Definition

Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 860
-SubTopic 50
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
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-URI https://asc.fasb.org//1943274/2147481229/860-50-50-3

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 860
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 860
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-URI https://asc.fasb.org//1943274/2147481260/860-50-45-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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