BASIS OF PRESENTATION	3 Months Ended
Mar. 31, 2017
BASIS OF PRESENTATION
BASIS OF PRESENTATION	NOTE 1 - BASIS OF PRESENTATION The significant accounting policies followed by MainSource Financial Group, Inc. (“Company”) for interim financial reporting are consistent with the accounting policies followed for annual financial reporting. The consolidated interim financial statements have been prepared according to accounting principles generally accepted in the United States of America and in accordance with the instructions for Form 10-Q. The interim statements do not include all information and footnotes normally included in the annual financial statements. All adjustments which are, in the opinion of management, necessary for a fair presentation of the results for the periods reported have been included in the accompanying unaudited consolidated financial statements and all such adjustments are of a normal recurring nature. Some items in prior period financial statements were reclassified to conform to current presentation. It is suggested that these consolidated financial statements and notes be read in conjunction with the financial statements and notes thereto in the Company’s Annual Report on Form 10-K for the year ended December 31, 2016. Adoption of New Accounting Standards and Newly-Issued, Not Yet Effective Accounting Standards In May 2014, the FASB issued ASU No. 2014-09 “Revenue from Contracts with Customers (Topic 606 )” ASU 2014-09 says that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods and services. On July 9, 2015, the FASB approved amendments deferring the effective date by one year. ASU 2014-09 is now effective for annual reporting periods beginning after December 15, 2017, including interim periods within that reporting period. The amendments can be applied retrospectively to each prior reporting period or retrospectively with the cumulative effect of initially applying this Update recognized at the date of initial application. Early application is permitted but not before the original public entity effective date, i.e ., annual periods beginning after December 15, 2016. The Company has determined that ASU No 2014-09 will not have a significant impact on its financial statements as a significant portion of the Company’s revenue is scoped out of the standard. In February 2016, the FASB issued ASU No. 2016-02 “Leases (Topic 842).” ASU 2016-02 requires lessees and lessors to classify leases as either capital leases or operating leases. ASU 2016-02 also requires lessees to recognize assets and liabilities for all leases with the exception of short term leases. There are new disclosure requirements for these leases which will provide users of financial statements with information to understand the amount, timing, and uncertainty of cash flows arising from leases. ASU 2016-02 will become effective for fiscal years beginning after December 15, 2018. The Company currently has prepared a worksheet of all of its leases and will reviewing them during the next two years to determine the impact on the Company’s financial statements In March 2016, the FASB issued (ASU) No. 2016-09 “Compensation - Stock Compensation (Topic 718) - Improvements to Employee Share-Based Payment Accounting.” ASU 2016-09 requires all income tax effects of awards to be recognized in the income statement when the awards vest or are settled. It also allows an employer to repurchase more of an employee’s shares than previously allotted for tax withholding purposes without triggering liability accounting and to make a policy election for forfeitures as they occur. ASU 2016-09 is effective for public business entities for fiscal years beginning after December 15, 2016, and interim periods within those years. The Company implemented this ASU in the first quarter of 2017. The impact of this ASU resulted in a $274 reduction in income tax expense for the first quarter of 2017. The Company has also elected to recognize forfeitures as they occur. There was no cumulative adjustment to retained earnings to account for these forfeitures as the estimated forfeiture rate previously used was minimal. In June 2016, the FASB issued ASU 2016-13 “Financial Instruments (Topic 326) Measurement of Credit Losses on Financial Instrument” “CECL”). ASU 2016-13 requires an allowance for expected credit losses on financial assets be recognized as early as day one of the instrument. This ASU departs from the incurred loss model which means the probability threshold is removed. It considers more forward-looking information and requires the entity to estimate its credit losses as far as it can reasonably estimate. This ASU is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years. Early adoption is permitted. The Company has captured loan level loss data since 2011. The Company will be starting its segregation of loans during 2017. The Company anticipates that its allowance for loan losses will increase with the adoption of this standard. In January 2017, the FASB issued (ASU) No. 2017-04 “Intangibles – Goodwill and Other (Topic 350) - Simplifying the Test for Goodwill Impairment.” ASU 2017-04 eliminate Step 2 from the goodwill impairment test. The amendments also eliminate the requirements for any reporting unit with a zero or negative carrying amount to perform a qualitative assessment and, if it fails that qualitative test, to perform Step 2 of the goodwill impairment test. The guidance is effective for annual or any interim goodwill impairment tests in fiscal years beginning after December 15, 2019. Early adoption is permitted for interim or annual goodwill impairment tests performed on testing dates after January 1, 2017. ASU 2017-04 should be adopted on a prospective basis. The Company has assessed ASU 2017-04 and does not expect it to have a material impact on its accounting and disclosures. In March 2017, the FASB issued (ASU) No. 2017-08 "Receivables—Nonrefundable Fees and Other Costs (Subtopic 310-20). ASU 2017-08 shortens the amortization period for certain callable debt securities held at a premium. Specifically, the amendments require the premium to be amortized to the earliest call date. ASU 2017-08 is effective for fiscal years and interim periods within those fiscal years, beginning after December 15, 2018. Early adoption is permitted. The Company elected to adopt this ASU in the first quarter of 2017. The impact of this adoption on the Company’s earnings was minimal.

NOTE 1 - BASIS OF PRESENTATION

The significant accounting policies followed by MainSource Financial Group, Inc. (“Company”) for interim financial reporting are consistent with the accounting policies followed for annual financial reporting. The consolidated interim financial statements have been prepared according to accounting principles generally accepted in the United States of America and in accordance with the instructions for Form 10-Q. The interim statements do not include all information and footnotes normally included in the annual financial statements. All adjustments which are, in the opinion of management, necessary for a fair presentation of the results for the periods reported have been included in the accompanying unaudited consolidated financial statements and all such adjustments are of a normal recurring nature. Some items in prior period financial statements were reclassified to conform to current presentation. It is suggested that these consolidated financial statements and notes be read in conjunction with the financial statements and notes thereto in the Company’s Annual Report on Form 10-K for the year ended December 31, 2016.

Adoption of New Accounting Standards and Newly-Issued, Not Yet Effective Accounting Standards

In May 2014, the FASB issued ASU No. 2014-09 “Revenue from Contracts with Customers (Topic 606 )” ASU 2014-09 says that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods and services. On July 9, 2015, the FASB approved amendments deferring the effective date by one year. ASU 2014-09 is now effective for annual reporting periods beginning after December 15, 2017, including interim periods within that reporting period. The amendments can be applied retrospectively to each prior reporting period or retrospectively with the cumulative effect of initially applying this Update recognized at the date of initial application. Early application is permitted but not before the original public entity effective date, i.e ., annual periods beginning after December 15, 2016. The Company has determined that ASU No 2014-09 will not have a significant impact on its financial statements as a significant portion of the Company’s revenue is scoped out of the standard.

In February 2016, the FASB issued ASU No. 2016-02 “Leases (Topic 842).” ASU 2016-02 requires lessees and lessors to classify leases as either capital leases or operating leases. ASU 2016-02 also requires lessees to recognize assets and liabilities for all leases with the exception of short term leases. There are new disclosure requirements for these leases which will provide users of financial statements with information to understand the amount, timing, and uncertainty of cash flows arising from leases. ASU 2016-02 will become effective for fiscal years beginning after December 15, 2018. The Company currently has prepared a worksheet of all of its leases and will reviewing them during the next two years to determine the impact on the Company’s financial statements

In March 2016, the FASB issued (ASU) No. 2016-09 “Compensation - Stock Compensation (Topic 718) - Improvements to Employee Share-Based Payment Accounting.” ASU 2016-09 requires all income tax effects of awards to be recognized in the income statement when the awards vest or are settled. It also allows an employer to repurchase more of an employee’s shares than previously allotted for tax withholding purposes without triggering liability accounting and to make a policy election for forfeitures as they occur. ASU 2016-09 is effective for public business entities for fiscal years beginning after December 15, 2016, and interim periods within those years. The Company implemented this ASU in the first quarter of 2017. The impact of this ASU resulted in a $274 reduction in income tax expense for the first quarter of 2017. The Company has also elected to recognize forfeitures as they occur. There was no cumulative adjustment to retained earnings to account for these forfeitures as the estimated forfeiture rate previously used was minimal.

In June 2016, the FASB issued ASU 2016-13 “Financial Instruments (Topic 326) Measurement of Credit Losses on Financial Instrument” “CECL”). ASU 2016-13 requires an allowance for expected credit losses on financial assets be recognized as early as day one of the instrument. This ASU departs from the incurred loss model which means the probability threshold is removed. It considers more forward-looking information and requires the entity to estimate its credit losses as far as it can reasonably estimate. This ASU is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years. Early adoption is permitted. The Company has captured loan level loss data since 2011. The Company will be starting its segregation of loans during 2017. The Company anticipates that its allowance for loan losses will increase with the adoption of this standard.

In January 2017, the FASB issued (ASU) No. 2017-04 “Intangibles – Goodwill and Other (Topic 350) - Simplifying the Test for Goodwill Impairment.” ASU 2017-04 eliminate Step 2 from the goodwill impairment test. The amendments also eliminate the requirements for any reporting unit with a zero or negative carrying amount to perform a qualitative assessment and, if it fails that qualitative test, to perform Step 2 of the goodwill impairment test. The guidance is effective for annual or any interim goodwill impairment tests in fiscal years beginning after December 15, 2019. Early adoption is permitted for interim or annual goodwill impairment tests performed on testing dates after January 1, 2017. ASU 2017-04 should be adopted on a prospective basis. The Company has assessed ASU 2017-04 and does not expect it to have a material impact on its accounting and disclosures.

In March 2017, the FASB issued (ASU) No. 2017-08 "Receivables—Nonrefundable Fees and Other Costs (Subtopic 310-20). ASU 2017-08 shortens the amortization period for certain callable debt securities held at a premium. Specifically, the amendments require the premium to be amortized to the earliest call date. ASU 2017-08 is effective for fiscal years and interim periods within those fiscal years, beginning after December 15, 2018. Early adoption is permitted. The Company elected to adopt this ASU in the first quarter of 2017. The impact of this adoption on the Company’s earnings was minimal.