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CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Interest income: |  |  |  |
Interest and fees on loans | $ 61,404 | $ 71,089 | $ 123,969 | $ 143,625
Interest and dividends on investment securities: |  |  |  |
Taxable interest income | 9,081 | 8,833 | 17,692 | 18,341
Non-taxable interest income | 958 | 1,166 | 1,963 | 2,317
Other interest income | 245 | 145 | 395 | 1,383
Total interest income | 71,688 | 81,233 | 144,019 | 165,666
Interest expense: |  |  |  |
Deposits | 3,295 | 7,721 | 7,027 | 19,948
Federal funds purchased and securities sold under agreements to repurchase | 60 | 100 | 117 | 508
Short-term borrowings | 64 | 118 | 83 | 185
Long-term debt | 116 | 34 | 145 | 457
Senior notes | 399 | 399 | 799 | 799
Subordinated notes | 2,480 | 1,312 | 4,956 | 2,043
Junior subordinated debt owed to unconsolidated trusts | 732 | 736 | 1,457 | 1,480
Total interest expense | 7,146 | 10,420 | 14,584 | 25,420
Net interest income | 64,542 | 70,813 | 129,435 | 140,246
Provision for credit losses | (1,700) | 12,891 | (8,496) | 30,107
Net interest income after provision for credit losses | 66,242 | 57,922 | 137,931 | 110,139
Non-interest income: |  |  |  |
Income on bank owned life insurance | 1,476 | 2,282 | 2,440 | 3,339
Net gains (losses) on sales of securities | 94 | 125 | 119 | 1,699
Unrealized gains (losses) recognized on equity securities | 804 | 190 | 2,420 | (797)
Other income | 2,928 | 1,726 | 4,063 | 2,549
Total non-interest income | 33,011 | 27,964 | 64,456 | 55,481
Non-interest expense: |  |  |  |
Salaries, wages, and employee benefits | 34,889 | 28,555 | 65,273 | 62,558
Data processing | 4,819 | 4,051 | 9,099 | 8,446
Net occupancy expense of premises | 4,246 | 4,448 | 8,809 | 9,163
Furniture and equipment expenses | 2,066 | 2,537 | 4,092 | 4,986
Professional fees | 2,311 | 1,986 | 4,256 | 3,810
Amortization of intangible assets | 2,650 | 2,519 | 5,051 | 5,076
Interchange expense | 1,442 | 1,198 | 2,926 | 2,367
Other expense | 10,202 | 7,774 | 17,618 | 17,176
Total non-interest expense | 62,625 | 53,068 | 117,124 | 113,582
Income before income taxes | 36,628 | 32,818 | 85,263 | 52,038
Income taxes | 6,862 | 7,012 | 17,681 | 10,868
Net income | $ 29,766 | $ 25,806 | $ 67,582 | $ 41,170
Basic earnings per common share (in dollars per share) | $ 0.54 | $ 0.47 | $ 1.23 | $ 0.75
Diluted earnings per common share (in dollars per share) | 0.53 | 0.47 | 1.22 | 0.75
Dividends declared per share of common stock (in dollars per share) | $ 0.23 | $ 0.22 | $ 0.46 | $ 0.44
Wealth management fees |  |  |  |
Non-interest income: |  |  |  |
Non-interest income | $ 13,002 | $ 10,193 | $ 25,586 | $ 21,748
Fees for customer services |  |  |  |
Non-interest income: |  |  |  |
Non-interest income | 8,611 | 7,025 | 16,648 | 15,386
Remittance processing |  |  |  |
Non-interest income: |  |  |  |
Non-interest income | 4,349 | 3,718 | 8,767 | 7,471
Mortgage revenue |  |  |  |
Non-interest income: |  |  |  |
Mortgage revenue | $ 1,747 | $ 2,705 | $ 4,413 | $ 4,086

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