SECURITIES - Held-to-maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Securities held-to-maturity:
Amortized Cost	$ 585,798	$ 179,309
Gross Unrecognized Gains		59
Gross Unrecognized Losses	(80,039)	(2,014)
Fair Value	505,759	177,354
Agency Notes
Securities held-to-maturity:
Amortized Cost	89,157
Gross Unrecognized Losses	(14,095)
Fair Value	75,062
Corporate Securities
Securities held-to-maturity:
Amortized Cost	9,000
Gross Unrecognized Losses	(553)
Fair Value	8,447
Pass-through mortgage-backed securities ("MBS") issued by government sponsored entities ("GSEs")
Securities held-to-maturity:
Amortized Cost	278,281	118,382
Gross Unrecognized Gains		59
Gross Unrecognized Losses	(40,960)	(1,141)
Fair Value	237,321	117,300
Agency collateralized mortgage obligations ("CMOs")
Securities held-to-maturity:
Amortized Cost	209,360	60,927
Gross Unrecognized Losses	(24,431)	(873)
Fair Value	$ 184,929	$ 60,054

Amount excluding accrued interest, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 3B
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
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-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 320
-SubTopic 10
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878

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