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LOANS - Schedule of Industry and Rate Sensitivity (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | $ 1,890,709 | $ 2,239,930
Computer Programming, Data Processing & Other Computer Related Services |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 435,210 | 483,142
Management & Public Relations Services |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 263,196 | 300,869
Industrial Inorganic Chemicals |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 156,483 | 156,391
Metal Cans & Shipping Containers |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 117,355 | 115,670
Public Warehousing & Storage |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 88,032 | 132,397
Surgical, Medical & Dental Instruments & Supplies |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 81,160 | 83,161
Electronic Components & Accessories |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 78,452 | 78,129
Offices & Clinics of Doctors of Medicine |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 61,243 | 104,781
Telephone Communications |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 58,881 | 58,450
Specialty Outpatient Facilities, not elsewhere classified |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 48,109 | 0
Research, Development & Testing Services |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 45,546 | 62,008
Insurance Agents, Brokers and Service |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 43,827 | 67,193
Electric Work |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 42,635 | 41,128
Engineering, Architectural, and Surveying |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 39,275 | 77,308
Miscellaneous Industrial and Commercial |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 33,074 | 77,163
Miscellaneous Equipment Rental & Leasing |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 32,332 | 49,587
Medical & Dental Laboratories |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 30,404 | 30,711
Schools & Educational Services, not elsewhere classified |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 29,186 | 29,040
Home Health Care Services |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 28,726 | 28,587
Metal Forgings & Stampings |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 27,449 | 27,523
Legal Services |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 26,392 | 26,399
Petroleum and Petroleum Products |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 21,471 | 33,890
Grocery Stores |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 19,632 | 22,895
Coating, Engraving and Allied Services |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 18,458 | 19,484
Chemicals & Allied Products |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 14,689 | 14,686
Mailing, Reproduction, Commercial Art and Photography and Stenographic |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 12,311 | 12,733
Machinery, Equipment & Supplies |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 11,370 | 12,096
Sanitary Services |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 10,743 | 0
Offices and Clinics of Other Health Practitioners |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 10,095 | 9,730
Miscellaneous Business Services |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 1,952 | 12,980
Drugs |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 1,756 | 12,942
Computer integrated systems design |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 1,265 | 0
Miscellaneous Food Preparations |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | $ 0 | $ 58,857

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