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LONG-TERM DEBT (Schedule of Subordinated Borrowing) (Details) - Junior Subordinated Debt [Member] - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Debt Instrument [Line Items]    
Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust, Noncurrent $ 51,547 $ 72,166
Trust IV [Member]    
Debt Instrument [Line Items]    
Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust, Noncurrent 30,928 30,928
Trust V [Member]    
Debt Instrument [Line Items]    
Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust, Noncurrent $ 20,619 20,619
Trust II [Member]    
Debt Instrument [Line Items]    
Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust, Noncurrent   $ 20,619