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Other Noninterest Income and Other Noninterest Expense (Tables) | 12 Months Ended
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Dec. 31, 2020
Noninterest Expense [Abstract] |
Schedule of Other Operating Cost and Expense, by Component | Other noninterest expense for the years ended December 31, 2020, 2019 and 2018 included the following:
(Dollars in thousands) | 2020 |  | 2019 |  | 2018
Core deposit intangible amortization | $ | 14,255 |  |  | $ | 16,346 |  |  | $ | 17,165 |
Consultant expense | 12,751 |  |  | 12,801 |  |  | 14,345 |
Advertising expense | 10,010 |  |  | 11,437 |  |  | 11,650 |
Telecommunications expense | 12,179 |  |  | 9,391 |  |  | 10,471 |
Other | 95,922 |  |  | 89,308 |  |  | 93,432 |
Total other noninterest expense | $ | 145,117 |  |  | $ | 139,283 |  |  | $ | 147,063 |
Other expense consists of miscellaneous expenses including travel, postage, supplies, appraisal expense and other operational losses. Advertising expense related to non-direct response advertisements are expensed as incurred.

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- Definition Tabular disclosure of each detailed component of other operating costs and expenses that are applicable to sales and revenues, but not included in the cost of sales in the income statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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