FINANCING RECEIVABLES (Credit Risk Profiles of CRE Loans by Origination Year at Amortized Costs) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Jun. 30, 2024
Financing Receivable Recorded Investment [Line Items]
Loans and receivables by origination year write offs, 2019	$ (948)
Loans and receivables by origination year write offs, Prior	0
Loans and receivables by origination year write offs, Total	(948)
Commercial Real Estate Loans
Financing Receivable Recorded Investment [Line Items]
Loans and receivables by origination year, 2024/2023	63,634	$ 0
Loans and receivables by origination year, 2023/2022	477,884	62,441
Loans and receivables by origination year, 2022/2021	1,124,189	475,062
Loans and receivables by origination year, 2021/2020	56,788	1,024,918
Loans and receivables by origination year, 2020/2019	63,344	56,583
Loans and receivables by origination year, Prior	71,254	94,707
Loans and receivables by origination year, Total	1,857,093	1,713,711
Commercial Real Estate Loans | Whole Loans
Financing Receivable Recorded Investment [Line Items]
Loans and receivables by origination year, 2024/2023	63,634	0
Loans and receivables by origination year, 2023/2022	477,884	62,441
Loans and receivables by origination year, 2022/2021	1,124,189	475,062
Loans and receivables by origination year, 2021/2020	56,788	1,024,918
Loans and receivables by origination year, 2020/2019	63,344	56,583
Loans and receivables by origination year, Prior	66,554	90,007
Loans and receivables by origination year, Total	1,852,393	1,709,011
Commercial Real Estate Loans | Whole Loans | Rating 1
Financing Receivable Recorded Investment [Line Items]
Loans and receivables by origination year, 2024/2023		0
Loans and receivables by origination year, 2023/2022		0
Loans and receivables by origination year, 2022/2021		0
Loans and receivables by origination year, 2021/2020		74,447
Loans and receivables by origination year, 2020/2019		0
Loans and receivables by origination year, Prior		0
Loans and receivables by origination year, Total		74,447
Commercial Real Estate Loans | Whole Loans | Rating 2
Financing Receivable Recorded Investment [Line Items]
Loans and receivables by origination year, 2024/2023	63,634	0
Loans and receivables by origination year, 2023/2022	212,175	46,656
Loans and receivables by origination year, 2022/2021	636,487	192,413
Loans and receivables by origination year, 2021/2020	22,556	450,493
Loans and receivables by origination year, 2020/2019	38,572	56,583
Loans and receivables by origination year, Prior	0	14,001
Loans and receivables by origination year, Total	973,424	760,146
Commercial Real Estate Loans | Whole Loans | Rating 3
Financing Receivable Recorded Investment [Line Items]
Loans and receivables by origination year, 2024/2023	0	0
Loans and receivables by origination year, 2023/2022	168,791	15,785
Loans and receivables by origination year, 2022/2021	364,369	198,389
Loans and receivables by origination year, 2021/2020	34,232	285,302
Loans and receivables by origination year, 2020/2019	0	0
Loans and receivables by origination year, Prior	13,640	11,102
Loans and receivables by origination year, Total	581,032	510,578
Commercial Real Estate Loans | Whole Loans | Rating 4
Financing Receivable Recorded Investment [Line Items]
Loans and receivables by origination year, 2024/2023	0	0
Loans and receivables by origination year, 2023/2022	82,918	0
Loans and receivables by origination year, 2022/2021	123,333	84,260
Loans and receivables by origination year, 2021/2020	0	214,676
Loans and receivables by origination year, 2020/2019	5,645	0
Loans and receivables by origination year, Prior	44,889	50,506
Loans and receivables by origination year, Total	256,785	349,442
Commercial Real Estate Loans | Whole Loans | Rating 5
Financing Receivable Recorded Investment [Line Items]
Loans and receivables by origination year, 2024/2023	0	0
Loans and receivables by origination year, 2023/2022	14,000	0
Loans and receivables by origination year, 2022/2021	0	0
Loans and receivables by origination year, 2021/2020	0	0
Loans and receivables by origination year, 2020/2019	19,127	0
Loans and receivables by origination year, Prior	8,025	14,398
Loans and receivables by origination year, Total	41,152	14,398
Commercial Real Estate Loans | Mezzanine loan | Rating 5
Financing Receivable Recorded Investment [Line Items]
Loans and receivables by origination year, 2024/2023	0	0
Loans and receivables by origination year, 2023/2022	0	0
Loans and receivables by origination year, 2022/2021	0	0
Loans and receivables by origination year, 2021/2020	0	0
Loans and receivables by origination year, 2020/2019	0	0
Loans and receivables by origination year, Prior	4,700	4,700
Loans and receivables by origination year, Total	$ 4,700	$ 4,700