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SEGMENT INFORMATION - Reconciliation of the Reportable Segment Financial Information (Details) - Segment Reconciling Items [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Average assets:
Total average interest-earning assets for segments	$ 18,311,327	$ 18,023,161
Average non-interest earning assets	795,775	835,138
Total consolidated average assets	$ 19,107,102	$ 18,858,299

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Average amount outstanding of interest-earning and noninterest-earning assets.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Regulation S-K (SK)
-Number 229
-Section 1402
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-Publisher SEC

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Average amount outstanding of interest-earning assets.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Average amount outstanding of noninterest-earning assets.

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