LOANS & ALLOWANCE FOR CREDIT LOSSES - SCHEDULE OF LOANS BY AMORTIZED COST BASIS BY YEAR OF ORIGINATION AND CREDIT QUALITY INDICATOR (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Dec. 31, 2024	Jun. 30, 2024
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	$ 2,305,467	$ 3,568,319
2024 - 2023	2,958,700	3,368,194
2023 - 2022	2,750,158	4,352,535
2022 - 2021	3,555,073	1,433,787
2021 - 2020	1,179,652	904,402
Prior	2,217,494	1,732,247
Revolving Loans	5,059,830	4,443,327
Total	20,026,374	19,802,811
Year-to-date gross charge-offs
Gross charge-offs 2025 - 2024	18	202
Gross charge-offs 2024 - 2023	281	3,471
Gross charge-offs 2023 - 2022	1,750	5,212
Gross charge-offs 2022 - 2021	2,395	1,556
Gross charge-offs 2021 - 2020	1,736	943
Prior	6,880	525
Revolving Loans	2,000	0
Total	$ 15,060	$ 11,909
As a % of total gross loans
2025 - 2024	11.50%	18.00%
2024 - 2023	14.80%	17.00%
2023 - 2022	13.70%	22.00%
2022 - 2021	17.70%	7.20%
2021 - 2020	5.90%	4.60%
Prior	11.10%	8.80%
Revolving Loans	25.30%	22.40%
Total	100.00%	100.00%
Single Family - Mortgage & Warehouse
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	$ 228,407	$ 522,822
2024 - 2023	364,055	590,343
2023 - 2022	509,378	1,231,447
2022 - 2021	1,142,795	487,797
2021 - 2020	473,793	312,358
Prior	922,790	777,287
Revolving Loans	508,560	256,778
Total	4,149,778	4,178,832
Year-to-date gross charge-offs
Gross charge-offs 2025 - 2024	0	0
Gross charge-offs 2024 - 2023	0	0
Gross charge-offs 2023 - 2022	0	0
Gross charge-offs 2022 - 2021	0	0
Gross charge-offs 2021 - 2020	0	0
Prior	0	172
Revolving Loans	0	0
Total	0	172
Multifamily and Commercial Mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	22,417	36,058
2024 - 2023	29,290	742,977
2023 - 2022	675,315	1,052,707
2022 - 2021	1,056,430	628,284
2021 - 2020	474,833	560,365
Prior	1,172,663	841,540
Revolving Loans	0	0
Total	3,430,948	3,861,931
Year-to-date gross charge-offs
Gross charge-offs 2025 - 2024	0	0
Gross charge-offs 2024 - 2023	0	0
Gross charge-offs 2023 - 2022	0	0
Gross charge-offs 2022 - 2021	0	0
Gross charge-offs 2021 - 2020	0	640
Prior	6,554	0
Revolving Loans	0	0
Total	6,554	640
Commercial Real Estate
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	1,517,172	1,952,001
2024 - 2023	1,646,226	1,424,999
2023 - 2022	1,031,855	1,527,795
2022 - 2021	927,020	226,061
2021 - 2020	148,351	7,741
Prior	59,191	83,339
Revolving Loans	885,019	866,686
Total	6,214,834	6,088,622
Year-to-date gross charge-offs
Gross charge-offs 2025 - 2024	0	0
Gross charge-offs 2024 - 2023	0	0
Gross charge-offs 2023 - 2022	0	0
Gross charge-offs 2022 - 2021	0	0
Gross charge-offs 2021 - 2020	0	0
Prior	0	0
Revolving Loans	0	0
Total	0	0
Commercial & Industrial - Non-RE
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	462,836	991,497
2024 - 2023	861,469	494,500
2023 - 2022	439,552	361,857
2022 - 2021	285,760	47,772
2021 - 2020	49,782	10,422
Prior	44,227	15,855
Revolving Loans	3,666,251	3,319,863
Total	5,809,877	5,241,766
Year-to-date gross charge-offs
Gross charge-offs 2025 - 2024	0	0
Gross charge-offs 2024 - 2023	0	0
Gross charge-offs 2023 - 2022	130	0
Gross charge-offs 2022 - 2021	0	0
Gross charge-offs 2021 - 2020	1,032	0
Prior	0	84
Revolving Loans	2,000	0
Total	3,162	84
Auto & Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	74,635	65,941
2024 - 2023	57,660	115,375
2023 - 2022	94,058	178,729
2022 - 2021	143,068	43,873
2021 - 2020	32,893	13,516
Prior	18,623	14,226
Revolving Loans	0	0
Total	420,937	431,660
Year-to-date gross charge-offs
Gross charge-offs 2025 - 2024	18	202
Gross charge-offs 2024 - 2023	281	3,471
Gross charge-offs 2023 - 2022	1,620	5,212
Gross charge-offs 2022 - 2021	2,395	1,556
Gross charge-offs 2021 - 2020	704	303
Prior	326	269
Revolving Loans	0	0
Total	5,344	11,013
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	2,305,451	3,537,144
2024 - 2023	2,868,918	3,282,691
2023 - 2022	2,684,560	4,066,317
2022 - 2021	3,262,954	1,391,702
2021 - 2020	1,155,590	832,953
Prior	2,037,898	1,611,156
Revolving Loans	4,934,007	4,418,889
Total	19,249,378	19,140,852
Pass \| Single Family - Mortgage & Warehouse
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	228,407	491,822
2024 - 2023	358,736	590,060
2023 - 2022	502,219	1,200,230
2022 - 2021	1,107,651	487,132
2021 - 2020	464,983	291,047
Prior	848,732	720,049
Revolving Loans	500,009	256,778
Total	4,010,737	4,037,118
Pass \| Multifamily and Commercial Mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	22,417	36,058
2024 - 2023	29,290	700,163
2023 - 2022	652,116	994,004
2022 - 2021	981,431	595,299
2021 - 2020	468,493	510,341
Prior	1,099,774	811,184
Revolving Loans	0	0
Total	3,253,521	3,647,049
Pass \| Commercial Real Estate
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	1,517,172	1,952,001
2024 - 2023	1,592,351	1,419,399
2023 - 2022	1,031,855	1,456,643
2022 - 2021	883,495	221,061
2021 - 2020	143,351	7,741
Prior	30,000	53,000
Revolving Loans	881,147	866,686
Total	6,079,371	5,976,531
Pass \| Commercial & Industrial - Non-RE
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	462,836	991,497
2024 - 2023	831,133	458,454
2023 - 2022	405,020	238,397
2022 - 2021	148,634	44,923
2021 - 2020	46,117	10,422
Prior	41,238	12,867
Revolving Loans	3,552,851	3,295,425
Total	5,487,829	5,051,985
Pass \| Auto & Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	74,619	65,766
2024 - 2023	57,408	114,615
2023 - 2022	93,350	177,043
2022 - 2021	141,743	43,287
2021 - 2020	32,646	13,402
Prior	18,154	14,056
Revolving Loans	0	0
Total	417,920	428,169
Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	16	31,033
2024 - 2023	74,292	31,151
2023 - 2022	24,858	99,288
2022 - 2021	78,855	20,137
2021 - 2020	7,409	15,602
Prior	47,269	37,211
Revolving Loans	15,764	5,349
Total	248,463	239,771
Special Mention \| Single Family - Mortgage & Warehouse
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	0	31,000
2024 - 2023	4,119	0
2023 - 2022	1,455	24,489
2022 - 2021	19,542	665
2021 - 2020	2,978	6,591
Prior	22,172	26,873
Revolving Loans	8,551	0
Total	58,817	89,618
Special Mention \| Multifamily and Commercial Mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	0	0
2024 - 2023	0	29,325
2023 - 2022	23,199	46,194
2022 - 2021	58,964	17,478
2021 - 2020	4,340	9,011
Prior	25,096	10,277
Revolving Loans	0	0
Total	111,599	112,285
Special Mention \| Commercial Real Estate
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	0	0
2024 - 2023	53,875	0
2023 - 2022	0	27,452
2022 - 2021	0	0
2021 - 2020	0	0
Prior	0	0
Revolving Loans	0	0
Total	53,875	27,452
Special Mention \| Commercial & Industrial - Non-RE
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	0	0
2024 - 2023	16,271	1,613
2023 - 2022	0	731
2022 - 2021	0	1,818
2021 - 2020	0	0
Prior	0	0
Revolving Loans	7,213	5,349
Total	23,484	9,511
Special Mention \| Auto & Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	16	33
2024 - 2023	27	213
2023 - 2022	204	422
2022 - 2021	349	176
2021 - 2020	91	0
Prior	1	61
Revolving Loans	0	0
Total	688	905
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	0	142
2024 - 2023	15,490	54,352
2023 - 2022	40,740	186,930
2022 - 2021	203,264	21,948
2021 - 2020	16,653	55,847
Prior	132,327	83,880
Revolving Loans	110,059	19,089
Total	518,533	422,188
Substandard \| Single Family - Mortgage & Warehouse
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	0	0
2024 - 2023	1,200	283
2023 - 2022	5,704	6,728
2022 - 2021	15,602	0
2021 - 2020	5,832	14,720
Prior	51,886	30,365
Revolving Loans	0	0
Total	80,224	52,096
Substandard \| Multifamily and Commercial Mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	0	0
2024 - 2023	0	13,489
2023 - 2022	0	12,509
2022 - 2021	16,035	15,507
2021 - 2020	2,000	41,013
Prior	47,793	20,079
Revolving Loans	0	0
Total	65,828	102,597
Substandard \| Commercial Real Estate
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	0	0
2024 - 2023	0	5,600
2023 - 2022	0	43,700
2022 - 2021	43,525	5,000
2021 - 2020	5,000	0
Prior	29,191	30,339
Revolving Loans	3,872	0
Total	81,588	84,639
Substandard \| Commercial & Industrial - Non-RE
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	0	0
2024 - 2023	14,065	34,433
2023 - 2022	34,532	122,729
2022 - 2021	127,126	1,031
2021 - 2020	3,665	0
Prior	2,989	2,988
Revolving Loans	106,187	19,089
Total	288,564	180,270
Substandard \| Auto & Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	0	142
2024 - 2023	225	547
2023 - 2022	504	1,264
2022 - 2021	976	410
2021 - 2020	156	114
Prior	468	109
Revolving Loans	0	0
Total	2,329	2,586
Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	0	0
2024 - 2023	0	0
2023 - 2022	0	0
2022 - 2021	10,000	0
2021 - 2020	0	0
Prior	0	0
Revolving Loans	0	0
Total	10,000	0
Doubtful \| Single Family - Mortgage & Warehouse
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	0	0
2024 - 2023	0	0
2023 - 2022	0	0
2022 - 2021	0	0
2021 - 2020	0	0
Prior	0	0
Revolving Loans	0	0
Total	0	0
Doubtful \| Multifamily and Commercial Mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	0	0
2024 - 2023	0	0
2023 - 2022	0	0
2022 - 2021	0	0
2021 - 2020	0	0
Prior	0	0
Revolving Loans	0	0
Total	0	0
Doubtful \| Commercial Real Estate
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	0	0
2024 - 2023	0	0
2023 - 2022	0	0
2022 - 2021	0	0
2021 - 2020	0	0
Prior	0	0
Revolving Loans	0	0
Total	0	0
Doubtful \| Commercial & Industrial - Non-RE
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	0	0
2024 - 2023	0	0
2023 - 2022	0	0
2022 - 2021	10,000	0
2021 - 2020	0	0
Prior	0	0
Revolving Loans	0	0
Total	10,000	0
Doubtful \| Auto & Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2025 - 2024	0	0
2024 - 2023	0	0
2023 - 2022	0	0
2022 - 2021	0	0
2021 - 2020	0	0
Prior	0	0
Revolving Loans	0	0
Total	$ 0	$ 0

Financing Receivable, Ratio Of Grade Class To Gross Loans

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Financing Receivable, Ratio Of Grade Class To Gross Loans

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Financing Receivable, Ratio Of Grade Class To Gross Loans, Originated, More Than Five Years Before Current Fiscal Year

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Financing Receivable, Ratio Of Grade Class To Gross Loans, Revolving

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Financing Receivable, Ratio Of Grade Class To Gross Loans, Year Five, Originated, Four Years Before Current Fiscal Year

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No definition available.

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Financing Receivable, Ratio Of Grade Class To Gross Loans, Year Four, Originated, Three Years Before Current Fiscal Year

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No definition available.

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Financing Receivable, Ratio Of Grade Class To Gross Loans, Year One, Originated, Current Fiscal Year

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Financing Receivable, Ratio Of Grade Class To Gross Loans, Year Three, Originated, Two Years Before Current Fiscal Year

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No definition available.

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Financing Receivable, Ratio Of Grade Class To Gross Loans, Year Two, Originated, Fiscal Year Before Current Fiscal Year

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No definition available.

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- Definition

Amortized cost, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
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-Publisher FASB
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(7))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

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- Definition

Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

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- Definition

Amortized cost excluding accrued interest, of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 79
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-79

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Amount, excluding accrued interest, of writeoff of financing receivable originated more than five years before current fiscal year. Excludes net investment in lease.

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- Definition

Amortized cost excluding accrued interest, of financing receivable that can be withdrawn, repaid, and redrawn.

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Amount, excluding accrued interest, of writeoff of financing receivable that can be withdrawn, repaid, and redrawn.

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Amortized cost excluding accrued interest, of financing receivable originated four years prior to current fiscal year. Excludes net investment in lease.

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Amount, excluding accrued interest, of writeoff of financing receivable originated four years before current fiscal year. Excludes net investment in lease.

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Amortized cost excluding accrued interest, of financing receivable originated three years prior to current fiscal year. Excludes net investment in lease.

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Amount, excluding accrued interest, of writeoff of financing receivable originated three years before current fiscal year. Excludes net investment in lease.

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Amortized cost excluding accrued interest, of financing receivable originated in current fiscal year. Excludes net investment in lease.

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Amount, excluding accrued interest, of writeoff of financing receivable originated in current fiscal year. Excludes net investment in lease.

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Amortized cost excluding accrued interest, of financing receivable originated two years prior to current fiscal year. Excludes net investment in lease.

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Amount, excluding accrued interest, of writeoff of financing receivable originated two years before current fiscal year. Excludes net investment in lease.

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