DEPOSITS AND RELATED INTEREST (Maturities of Time Deposits) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Year-end amount, Within One Year
Three months or less	$ 327,472	$ 457,533
Over 3 months through 6 months	415,505	195,902
Over 6 months through 1 year	511,131	329,758
Within one year	1,254,108	983,193
Year-end amount, after one year:
Over 1 through 2 years	325,694	467,348
Over 2 through 3 years	69,395	94,450
Over 3 through 4 years	40,191	29,514
Over 4 through 5 years	37,111	45,575
Over 5 years	487	608
Certificates of deposit	1,726,986	1,620,688
Uninsured amount, within one year:
Three months or less	134,086	115,392
Over 3 months through 6 months	247,212	61,245
Over 6 months through 1 year	183,129	113,524
Within one year	564,427	290,161
Uninsured amount, after one year:
Over 1 through 2 years	62,099	201,478
Over 2 through 3 years	14,263	13,971
Over 3 through 4 years	2,751	1,379
Over 4 through 5 years	5,439	4,665
Over 5 years	0	0
Uninsured amount	$ 648,979	$ 511,654

Time Deposit Liability, Uninsured, Maturity Year One

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- Definition

Time Deposit Maturities Less Than Three Month

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- Definition

Time Deposit Maturities, Over Six Months Through Twelve Months

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- Definition

Time Deposit Maturities, Over Three Months Through Six Months

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- Definition

Over 5 years

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No definition available.

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- Definition

Over 4 through 5 years

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Over 3 through 4 years

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- Definition

Over 2 through 3 years

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Over 1 through 2 years

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- Definition

Total Time Deposits Excluding Equity Indexes Options

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- Definition

Uninsured Amount, After One Year

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Uninsured Amount, Within One Year

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Year-End Amount, After One Year

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Year-End Amount, Within One Year

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- Definition

Amount of uninsured time deposit liability. Excludes uninsured time deposit liability in excess of Federal Deposit Insurance Corporation (FDIC) insurance limit or similar state deposit insurance regime in United States of America (US).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1406
-Paragraph f
-Subparagraph (2)
-Publisher SEC

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Amount of uninsured time deposit liability with time remaining to mature over six through twelve months. Excludes uninsured time deposit liability in excess of Federal Deposit Insurance Corporation (FDIC) insurance limit or similar state deposit insurance regime in United States of America (US).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1406
-Paragraph f
-Subparagraph (2)(iii)
-Publisher SEC

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Amount of uninsured time deposit liability with time remaining to mature over three through six months. Excludes uninsured time deposit liability in excess of Federal Deposit Insurance Corporation (FDIC) insurance limit or similar state deposit insurance regime in United States of America (US).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1406
-Paragraph f
-Subparagraph (2)(ii)
-Publisher SEC

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Amount of uninsured time deposit liability with time remaining to mature in three months or less. Excludes uninsured time deposit liability in excess of Federal Deposit Insurance Corporation (FDIC) insurance limit or similar state deposit insurance regime in United States of America (US).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1406
-Paragraph f
-Subparagraph (2)(i)
-Publisher SEC

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- Definition

Amount of time deposit maturing after fifth fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-SubTopic 10
-Topic 470
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-1

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Amount of time deposit maturing in fifth fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of time deposit maturing in fourth fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of time deposit maturing in next fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of time deposit maturing in third fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of time deposit maturing in second fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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