DEPOSITS - Types and Components of Deposit Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Noninterest bearing demand deposits:
Noninterest bearing demand deposits	$ 1,390,407	$ 1,671,562
Interest bearing deposits:
Total interest bearing deposits	5,159,274	4,526,457
Total deposits	6,549,681	6,198,019
Private accounts
Noninterest bearing demand deposits:
Noninterest bearing demand deposits	1,322,793	1,607,952
Interest bearing deposits:
Savings accounts	602,050	672,676
Money market demand accounts	356,506	424,676
Platinum money market accounts	421,505	421,826
Interest bearing checking accounts	1,897,017	1,496,784
NOW demand accounts	14,507	13,601
CDs of $250,000 or more	232,343	120,387
CDs under $250,000	489,584	532,409
Total interest bearing deposits	4,013,512	3,682,359
Public accounts
Noninterest bearing demand deposits:
Noninterest bearing demand deposits	67,614	63,610
Interest bearing deposits:
Savings accounts	2,000	1,949
Money market demand accounts	31,808	33,871
Platinum money market accounts	498,079	365,720
Interest bearing checking accounts	75,573	89,320
NOW demand accounts	370,752	234,027
CDs of $250,000 or more	161,194	113,810
CDs under $250,000	6,356	5,401
Total interest bearing deposits	$ 1,145,762	$ 844,098

Certificates and TIme Deposits, $250,000 or more, Domestic

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- Definition

Interest-bearing Domestic Deposit, Money Market, Platinum

+ References

No definition available.

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- Definition

Time Deposits, Less than $250,000, Domestic

+ References

No definition available.

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- Definition

The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.12)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

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- References

No definition available.

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- Definition

Total amount of interest-bearing domestic deposit liabilities, which may include brokered, retail, demand, checking, notice of withdrawal, money market and other interest-bearing deposits.

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- Definition

Amount of interest-bearing domestic checking deposit liabilities.

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- Definition

Amount of interest-bearing domestic money market demand account deposit liabilities.

+ References

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- Definition

Amount of interest-bearing domestic negotiable order of withdrawal (NOW) demand deposit liabilities.

+ References

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- Definition

Amount of interest-bearing domestic savings deposit liabilities. Saving deposits bear interest and have no stated maturity.

+ References

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- References

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- Definition

Amount of domestic noninterest-bearing deposits held by the entity, which may include demand deposits, checking, brokered and retail deposits.

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