BORROWING ARRANGEMENTS, Notes Payable and Other Borrowings (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Federal Home Loan Bank Advance [Member] \| Federal Home Loan Bank of Dallas [Member] \| City Bank [Member]
Detail of Advances from FHLB [Abstract]
Original amount of advances	$ 0	$ 0

Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 470
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478878/942-470-45-1

Name:	us-gaap_AdvancesFromFederalHomeLoanBanks
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant