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NOTE 7: ACQUIRED LOANS, LOSS SHARING AGREEMENTS AND FDIC INDEMNIFICATION ASSETS: Schedule of Accretable Yield Changes for Acquired Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
TeamBank |  |  |  |  |  |  |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion | $ (215) |  | $ (312) |  | $ (442) |  | $ (967) |
Change in expected accretable yield | 130 | [1] | 119 | [1] | 113 | [2] | 793 | [2]
TeamBank | Beginning of Period |  |  |  |  |  |  |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease) | 1,827 |  | 2,496 |  | 2,071 |  | 2,477 |
TeamBank | End of Period |  |  |  |  |  |  |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease) | 1,742 |  | 2,303 |  | 1,742 |  | 2,303 |
Vantus Bank |  |  |  |  |  |  |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion | (338) |  | (383) |  | (617) |  | (739) |
Change in expected accretable yield | 235 | [1] | 209 | [1] | 419 | [2] | 372 | [2]
Vantus Bank | Beginning of Period |  |  |  |  |  |  |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease) | 1,755 |  | 2,354 |  | 1,850 |  | 2,547 |
Vantus Bank | End of Period |  |  |  |  |  |  |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease) | 1,652 |  | 2,180 |  | 1,652 |  | 2,180 |
Sun Security Bank |  |  |  |  |  |  |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion | (424) |  | (574) |  | (854) |  | (1,196) |
Change in expected accretable yield | 410 | [1] | 465 | [1] | 8 | [2] | 605 | [2]
Sun Security Bank | Beginning of Period |  |  |  |  |  |  |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease) | 2,069 |  | 3,795 |  | 2,901 |  | 4,277 |
Sun Security Bank | End of Period |  |  |  |  |  |  |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease) | 2,055 |  | 3,686 |  | 2,055 |  | 3,686 |
InterBank |  |  |  |  |  |  |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion | (1,827) |  | (1,885) |  | (3,650) |  | (4,162) |
Change in expected accretable yield | 833 | [1] | 389 | [1] | 4,486 | [2] | 1,064 | [2]
InterBank | Beginning of Period |  |  |  |  |  |  |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease) | 6,904 |  | 6,910 |  | 5,074 |  | 8,512 |
InterBank | End of Period |  |  |  |  |  |  |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease) | 5,910 |  | 5,414 |  | 5,910 |  | 5,414 |
Valley Bank |  |  |  |  |  |  |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion | (1,066) |  | (1,470) |  | (2,197) |  | (3,394) |
Change in expected accretable yield | 624 | [1] | 383 | [1] | 2,476 | [2] | 1,910 | [2]
Valley Bank | Beginning of Period |  |  |  |  |  |  |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease) | 3,416 |  | 4,400 |  | 2,695 |  | 4,797 |
Valley Bank | End of Period |  |  |  |  |  |  |  |
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease) | $ 2,974 |  | $ 3,313 |  | $ 2,974 |  | $ 3,313 |
[1] | Represents increases in estimated cash flows expected to be received from the acquired loan pools, partially due to lower estimated credit losses. The amounts also include changes in expected accretion of the loan pools for TeamBank, Vantus Bank, Sun Security Bank, InterBank and Valley Bank for the three months ended June 30, 2018, totaling $115,000, $235,000, $236,000, $518,000 and $404,000, respectively, and for the three months ended June 30, 2017, totaling $119,000, $209,000, $465,000, $389,000 and $383,000, respectively.
[2] | Represents increases in estimated cash flows expected to be received from the acquired loan pools, partially due to lower estimated credit losses. The amounts also include changes in expected accretion of the loan pools for TeamBank, Vantus Bank, Sun Security Bank, InterBank and Valley Bank for the six months endedJune 30, 2018, totaling $98,000, $419,000, $(167,000), $2.9 million and $1.7 million, respectively, and for the six months ended June 30, 2017, totaling $793,000, $367,000, $605,000, $1.1 million and $1.8 million, respectively.

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