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LOANS - Schedule of Industry and Rate Sensitivity (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | $ 2,185,264 | $ 2,144,850
Computer Programming, Data Processing & Other Computer Related Services |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 406,827 | 394,193
Management & Public Relations Services |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 277,511 | 339,179
Industrial Inorganic Chemicals |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 147,622 | 0
Miscellaneous Business Services |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 122,279 | 164,033
Public Warehousing & Storage |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 116,967 | 107,029
Engineering, Architectural, and Surveying |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 110,926 | 124,201
Metal Cans & Shipping Containers |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 108,333 | 118,456
Offices & Clinics of Doctors of Medicine |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 104,000 | 106,993
Surgical, Medical & Dental Instruments & Supplies |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 99,657 | 102,182
Electronic Components & Accessories |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 77,788 | 24,000
Insurance Agents, Brokers and Service |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 70,978 | 75,410
Telephone Communications |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 57,482 | 61,210
Miscellaneous Health & Allied Services, not elsewhere classified |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 52,177 | 78,908
Miscellaneous Equipment Rental & Leasing |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 49,505 | 49,776
Electric Work |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 40,642 | 43,175
Medical & Dental Laboratories |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 35,231 | 41,344
Metal Forgings & Stampings |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 29,739 | 0
Research, Development & Testing Services |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 29,541 | 45,610
Home Health Care Services |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 28,896 | 29,361
Motor Vehicles and Motor Vehicle Parts & Supplies |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 28,415 | 28,815
Legal Services |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 27,923 | 0
Petroleum and Petroleum Products |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 24,745 | 24,923
Grocery Stores |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 22,948 | 23,248
Coating, Engraving and Allied Services |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 20,298 | 47,249
Schools & Educational Services, not elsewhere classified |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 19,331 | 19,586
Drugs |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 15,856 | 15,923
Chemicals & Allied Products |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 14,844 | 15,002
Machinery, Equipment & Supplies |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 12,419 | 0
Mailing, Reproduction, Commercial Art and Photography and Stenographic |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 12,356 | 14,755
Offices and Clinics of Other Health Practitioners |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 10,091 | 10,098
Miscellaneous Plastic Products |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | 9,937 | 10,000
Nonferrous Foundries (Castings) |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Corporate debt | $ 0 | $ 30,191

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