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Other Income and Expenses (Tables) | 12 Months Ended
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Dec. 31, 2020
Other Noninterest Income and Noninterest Expense [Abstract] |
Other Noninterest Income |
| Years ended December 31,
| 2020 |  | 2019 |  | 2018
Other noninterest income: |  |  |  |  |
Interchange and other consumer fees | $ | 40,960 |  |  | $ | 36,158 |  |  | $ | 28,720 |
Bank-owned life insurance | 18,784 |  |  | 17,361 |  |  | 12,535 |
Loan swap fees | 4,568 |  |  | 4,758 |  |  | 4,043 |
SBA loan sales | 5,579 |  |  | 4,933 |  |  | 4,604 |
Gain on other equity investments | 1,072 |  |  | 2,789 |  |  | 2,778 |
Other noninterest income | 11,940 |  |  | 4,838 |  |  | 4,091 |
Total other noninterest income | $ | 82,903 |  |  | $ | 70,837 |  |  | $ | 56,771 |
Other Noninterest Expense |
Other noninterest expense: |  |  |  |  |
Deposit related expenses | $ | 24,392 |  |  | $ | 17,017 |  |  | $ | 22,768 |
Lending related expenses | 40,784 |  |  | 24,573 |  |  | 19,428 |
Wealth management related expenses | 2,053 |  |  | 1,986 |  |  | 1,837 |
Audit, exam and insurance expense | 10,596 |  |  | 9,194 |  |  | 7,791 |
FHLB restructuring charges | 15,168 |  |  | — |  |  | — |
Administrative and other expenses | 23,725 |  |  | 18,906 |  |  | 16,036 |
Total other noninterest expense | $ | 116,718 |  |  | $ | 71,676 |  |  | $ | 67,860 |

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