California economy. More specifically, the Company has become more cautious about the risks associated with trends in California real estate prices and the decrease in affordability of housing in the markets served by the Company. Loan growth, excluding acquired loans, also contributed to the need for additional provisioning.
During the nine months ended September 30, 2018 the Company recorded a loan loss provision of $1,777,000 as compared to a reversal of provision for loan losses of $1,588,000 during the nine months ended September 30, 2017. Nonperforming loans were $27,148,000, or 0.67% of loans outstanding as of September 30, 2018, compared to $25,420,000, or 0.81% of loans outstanding as of June 30, 2018 and $24,394,000 or 0.81% of loans outstanding as of December 31, 2017. The fair value of loans acquired with deteriorated credit quality during the current quarter totaled $1,302,000.
The Company continued to experience improvement in the overall credit quality of its loan portfolio. At September 30, 2018 loans past due greater than thirty days totaled $13,218,000 or 0.33% of loans outstanding, as compared to $11,626,000 or 0.37% at June 30, 2018 and $11,609,000 or 0.39% at December 31, 2017. At September 30, 2018, classified loans totaled $45,548,000 (1.13% of total loans) compared to $44,202,000 (1.40%) and $53,593,000 (1.78%) at June 30, 2018 and December 31, 2017, respectively.
Non-interest Income
The following table presents the key components of noninterest income for the periods indicated:
| | | | | | | | | | | | | | | | |
| | Three months ended | | | | | | | |
| | September 30, | | | | | | | |
(dollars in thousands) | | 2018 | | | 2017 | | | $ Change | | | % Change | |
ATM fees and interchange | | $ | 4,590 | | | $ | 4,209 | | | $ | 381 | | | | 9.1 | % |
Service charges on deposit accounts | | | 4,015 | | | | 4,160 | | | | (145 | ) | | | (3.5 | %) |
Other service fees | | | 676 | | | | 917 | | | | (241 | ) | | | (26.3 | %) |
Mortgage banking service fees | | | 499 | | | | 514 | | | | (15 | ) | | | (2.9 | %) |
Change in value of mortgage servicing rights | | | (37 | ) | | | (325 | ) | | | 288 | | | | (88.6 | %) |
| | | | | | | | | | | | | | | | |
Total service charges and fees | | | 9,743 | | | | 9,475 | | | | 268 | | | | 2.8 | % |
| | | | | | | | | | | | | | | | |
Commission on nondeposit investment products | | | 728 | | | | 672 | | | | 56 | | | | 8.3 | % |
Increase in cash value of life insurance | | | 732 | | | | 732 | | | | — | | | | 0.0 | % |
Gain on sale of loans | | | 539 | | | | 606 | | | | (67 | ) | | | (11.1 | %) |
Lease brokerage income | | | 186 | | | | 234 | | | | (48 | ) | | | (20.5 | %) |
Gain on sale of investment securities | | | 207 | | | | 961 | | | | (754 | ) | | | (78.5 | %) |
Gain on sale of foreclosed assets | | | 2 | | | | 37 | | | | (35 | ) | | | (94.6 | %) |
Other noninterest income | | | 49 | | | | 213 | | | | (164 | ) | | | (77.0 | %) |
| | | | | | | | | | | | | | | | |
Total other noninterest income | | | 2,443 | | | | 3,455 | | | | (1,012 | ) | | | (29.3 | %) |
| | | | | | | | | | | | | | | | |
Total noninterest income | | $ | 12,186 | | | $ | 12,930 | | | $ | (744 | ) | | | (5.8 | %) |
| | | | | | | | | | | | | | | | |
Noninterest income decreased $744,000 (5.8%) to $12,186,000 during the three months ended September 30, 2018 compared to the three months ended September 30, 2017. The decrease in noninterest income was due to the changes noted in the table above. The decrease of $241,000 (26.3%) in other service fees was caused primarily by a decrease in merchant residual income due to the lagging effect of transitioning to a new processor, decreasing from $362,000 during the three months ended September 30, 2017 to $161,000 during the three months ended September 30, 2018. Gains from sales of investments securities decreased by $754,000 (78.5%) due to less sales activity during the three month period ending September 30, 2018. Offsetting the decreases innon-interest income was an increase of $288,000 (88.6%) in change in value of mortgage servicing rights (MSRs) due to slight decreases in estimated prepayment speeds during the three months ended September 30, 2018.