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REVENUE (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Disaggregation of Revenue |  |  |
Mortgage banking income | $ 10,303 | $ 0 | $ 0
Gains (losses) on securities transactions | 7,675 | 383 | 800
Bank owned life insurance income | 8,311 | 7,198 | 6,144
Loan-related interest rate swap fees | 14,126 | 3,554 | 3,051
Gain on Shore Premier sale | 0 | 19,966 | 0
Other operating income | 17,791 | 7,145 | 2,772
Total noninterest income | 132,815 | 104,241 | 62,429
Noninterest income in Scope of Topic 606 |  |  |
Disaggregation of Revenue |  |  |
Revenue from contract with customer | 4,000 | 4,400 | 2,300
Overdraft fees |  |  |
Disaggregation of Revenue |  |  |
Revenue from contract with customer | 24,092 | 21,052 | 15,788
Maintenance fees & other |  |  |
Disaggregation of Revenue |  |  |
Revenue from contract with customer | 6,110 | 4,387 | 3,062
Other service charges, commissions and fees |  |  |
Disaggregation of Revenue |  |  |
Revenue from contract with customer | 6,423 | 5,603 | 4,593
Interchange fees |  |  |
Disaggregation of Revenue |  |  |
Revenue from contract with customer | 14,619 | 18,803 | 14,974
Trust asset management fees |  |  |
Disaggregation of Revenue |  |  |
Revenue from contract with customer | 9,141 | 5,536 | 5,128
Registered advisor management fees |  |  |
Disaggregation of Revenue |  |  |
Revenue from contract with customer | 10,107 | 6,589 | 2,692
Brokerage management fees |  |  |
Disaggregation of Revenue |  |  |
Revenue from contract with customer | 4,117 | $ 4,025 | $ 3,425
Xenith |  |  |
Disaggregation of Revenue |  |  |
Life insurance proceeds | $ 9,800 |  |

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