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DEPOSITS (Tables)
9 Months Ended
Sep. 30, 2023
Deposits Liabilities, Balance Sheet, Reported Amounts [Abstract]  
Schedule of Deposits By Category The following table shows deposits by category:
(Dollars in thousands)September 30, 2023December 31, 2022
Noninterest-bearing:
Noninterest demand$4,913,517 $5,739,647 
Total noninterest-bearing$4,913,517 $5,739,647 
Interest-bearing:
Interest-bearing demand$3,027,780 $3,346,682 
Savings1,680,864 2,161,858 
Money market4,559,643 3,730,778 
Customer time deposits1,715,460 1,102,013 
Brokered deposits89,105 122,591 
Total interest-bearing11,072,852 10,463,922 
Total deposits$15,986,369 $16,203,569