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Note 8: Acquired Loans, Loss Sharing Agreements and FDIC Indemnification Assets: FDIC Indemnification Asset Roll Forward (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2015 | Dec. 31, 2014
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FDIC indemnification asset | $ 37,799 us-gaap_FDICIndemnificationAsset |  | $ 44,334 us-gaap_FDICIndemnificationAsset
TeamBank Loans |  |  |
Initial basis for loss sharing determination, net of activity since acquisition date | 40,664 fil_InitialBasisForLossSharingDeterminationNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_TeamBankLoansMember |  | 43,855 fil_InitialBasisForLossSharingDeterminationNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_TeamBankLoansMember
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date) | (1,832)fil_ReclassificationFromNonaccretableDiscountToAccretableDiscountDueToChangeInExpectedLossesNetOfAccretionToDate / us-gaap_BusinessAcquisitionAxis = fil_TeamBankLoansMember |  | (1,923)fil_ReclassificationFromNonaccretableDiscountToAccretableDiscountDueToChangeInExpectedLossesNetOfAccretionToDate / us-gaap_BusinessAcquisitionAxis = fil_TeamBankLoansMember
Original estimated fair value of assets, net of activity since acquisition date | (38,626)fil_OriginalEstimatedFairValueOfAssetsNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_TeamBankLoansMember |  | (41,560)fil_OriginalEstimatedFairValueOfAssetsNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_TeamBankLoansMember
Expected loss remaining | 206 fil_ExpectedLossRemaining / us-gaap_BusinessAcquisitionAxis = fil_TeamBankLoansMember |  | 372 fil_ExpectedLossRemaining / us-gaap_BusinessAcquisitionAxis = fil_TeamBankLoansMember
Assumed loss sharing recovery percentage | 89.00%fil_AssumedLossSharingRecoveryPercentage / us-gaap_BusinessAcquisitionAxis = fil_TeamBankLoansMember |  | 85.00%fil_AssumedLossSharingRecoveryPercentage / us-gaap_BusinessAcquisitionAxis = fil_TeamBankLoansMember
Estimated loss sharing value | 183 fil_EstimatedLossSharingValue / us-gaap_BusinessAcquisitionAxis = fil_TeamBankLoansMember |  | 315 fil_EstimatedLossSharingValue / us-gaap_BusinessAcquisitionAxis = fil_TeamBankLoansMember
Indemnification assets to be amortized resulting from change in expected losses | 406 fil_IndemnificationAssetsToBeAmortizedResultingFromChangeInExpectedLosses / us-gaap_BusinessAcquisitionAxis = fil_TeamBankLoansMember |  | 359 fil_IndemnificationAssetsToBeAmortizedResultingFromChangeInExpectedLosses / us-gaap_BusinessAcquisitionAxis = fil_TeamBankLoansMember
FDIC indemnification asset | 589 us-gaap_FDICIndemnificationAsset / us-gaap_BusinessAcquisitionAxis = fil_TeamBankLoansMember |  | 674 us-gaap_FDICIndemnificationAsset / us-gaap_BusinessAcquisitionAxis = fil_TeamBankLoansMember
TeamBank Foreclosed Assets |  |  |
Initial basis for loss sharing determination, net of activity since acquisition date | 72 fil_InitialBasisForLossSharingDeterminationNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_TeamBankForeclosedAssetsMember |  | 132 fil_InitialBasisForLossSharingDeterminationNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_TeamBankForeclosedAssetsMember
Original estimated fair value of assets, net of activity since acquisition date | (71)fil_OriginalEstimatedFairValueOfAssetsNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_TeamBankForeclosedAssetsMember |  | (119)fil_OriginalEstimatedFairValueOfAssetsNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_TeamBankForeclosedAssetsMember
Expected loss remaining | 1 fil_ExpectedLossRemaining / us-gaap_BusinessAcquisitionAxis = fil_TeamBankForeclosedAssetsMember |  | 13 fil_ExpectedLossRemaining / us-gaap_BusinessAcquisitionAxis = fil_TeamBankForeclosedAssetsMember
Assumed loss sharing recovery percentage | 100.00%fil_AssumedLossSharingRecoveryPercentage / us-gaap_BusinessAcquisitionAxis = fil_TeamBankForeclosedAssetsMember |  | 77.00%fil_AssumedLossSharingRecoveryPercentage / us-gaap_BusinessAcquisitionAxis = fil_TeamBankForeclosedAssetsMember
Estimated loss sharing value | 1 fil_EstimatedLossSharingValue / us-gaap_BusinessAcquisitionAxis = fil_TeamBankForeclosedAssetsMember |  | 10 fil_EstimatedLossSharingValue / us-gaap_BusinessAcquisitionAxis = fil_TeamBankForeclosedAssetsMember
FDIC indemnification asset | 1 us-gaap_FDICIndemnificationAsset / us-gaap_BusinessAcquisitionAxis = fil_TeamBankForeclosedAssetsMember |  | 10 us-gaap_FDICIndemnificationAsset / us-gaap_BusinessAcquisitionAxis = fil_TeamBankForeclosedAssetsMember
Vantus Bank Loans |  |  |
Initial basis for loss sharing determination, net of activity since acquisition date | 39,588 fil_InitialBasisForLossSharingDeterminationNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_VantusBankLoansMember |  | 42,138 fil_InitialBasisForLossSharingDeterminationNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_VantusBankLoansMember
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date) | (765)fil_ReclassificationFromNonaccretableDiscountToAccretableDiscountDueToChangeInExpectedLossesNetOfAccretionToDate / us-gaap_BusinessAcquisitionAxis = fil_VantusBankLoansMember |  | (504)fil_ReclassificationFromNonaccretableDiscountToAccretableDiscountDueToChangeInExpectedLossesNetOfAccretionToDate / us-gaap_BusinessAcquisitionAxis = fil_VantusBankLoansMember
Original estimated fair value of assets, net of activity since acquisition date | (38,571)fil_OriginalEstimatedFairValueOfAssetsNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_VantusBankLoansMember |  | (40,997)fil_OriginalEstimatedFairValueOfAssetsNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_VantusBankLoansMember
Expected loss remaining | 252 fil_ExpectedLossRemaining / us-gaap_BusinessAcquisitionAxis = fil_VantusBankLoansMember |  | 637 fil_ExpectedLossRemaining / us-gaap_BusinessAcquisitionAxis = fil_VantusBankLoansMember
Assumed loss sharing recovery percentage | 61.00%fil_AssumedLossSharingRecoveryPercentage / us-gaap_BusinessAcquisitionAxis = fil_VantusBankLoansMember |  | 72.00%fil_AssumedLossSharingRecoveryPercentage / us-gaap_BusinessAcquisitionAxis = fil_VantusBankLoansMember
Estimated loss sharing value | 153 fil_EstimatedLossSharingValue / us-gaap_BusinessAcquisitionAxis = fil_VantusBankLoansMember | [1] | 461 fil_EstimatedLossSharingValue / us-gaap_BusinessAcquisitionAxis = fil_VantusBankLoansMember
Indemnification assets to be amortized resulting from change in expected losses | 540 fil_IndemnificationAssetsToBeAmortizedResultingFromChangeInExpectedLosses / us-gaap_BusinessAcquisitionAxis = fil_VantusBankLoansMember |  | 324 fil_IndemnificationAssetsToBeAmortizedResultingFromChangeInExpectedLosses / us-gaap_BusinessAcquisitionAxis = fil_VantusBankLoansMember
FDIC indemnification asset | 693 us-gaap_FDICIndemnificationAsset / us-gaap_BusinessAcquisitionAxis = fil_VantusBankLoansMember |  | 785 us-gaap_FDICIndemnificationAsset / us-gaap_BusinessAcquisitionAxis = fil_VantusBankLoansMember
Vantus Bank Foreclosed Assets |  |  |
Initial basis for loss sharing determination, net of activity since acquisition date | 1,084 fil_InitialBasisForLossSharingDeterminationNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_VantusBankForeclosedAssetsMember |  | 1,084 fil_InitialBasisForLossSharingDeterminationNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_VantusBankForeclosedAssetsMember
Original estimated fair value of assets, net of activity since acquisition date | (894)fil_OriginalEstimatedFairValueOfAssetsNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_VantusBankForeclosedAssetsMember |  | (894)fil_OriginalEstimatedFairValueOfAssetsNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_VantusBankForeclosedAssetsMember
Expected loss remaining | 190 fil_ExpectedLossRemaining / us-gaap_BusinessAcquisitionAxis = fil_VantusBankForeclosedAssetsMember |  | 190 fil_ExpectedLossRemaining / us-gaap_BusinessAcquisitionAxis = fil_VantusBankForeclosedAssetsMember
Assumed loss sharing recovery percentage | 0.00%fil_AssumedLossSharingRecoveryPercentage / us-gaap_BusinessAcquisitionAxis = fil_VantusBankForeclosedAssetsMember |  | 0.00%fil_AssumedLossSharingRecoveryPercentage / us-gaap_BusinessAcquisitionAxis = fil_VantusBankForeclosedAssetsMember
Sun Security Bank Loans |  |  |
Initial basis for loss sharing determination, net of activity since acquisition date | 53,421 fil_InitialBasisForLossSharingDeterminationNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankLoansMember |  | 59,618 fil_InitialBasisForLossSharingDeterminationNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankLoansMember
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date) | (3,233)fil_ReclassificationFromNonaccretableDiscountToAccretableDiscountDueToChangeInExpectedLossesNetOfAccretionToDate / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankLoansMember |  | (3,341)fil_ReclassificationFromNonaccretableDiscountToAccretableDiscountDueToChangeInExpectedLossesNetOfAccretionToDate / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankLoansMember
Original estimated fair value of assets, net of activity since acquisition date | (47,142)fil_OriginalEstimatedFairValueOfAssetsNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankLoansMember |  | (52,166)fil_OriginalEstimatedFairValueOfAssetsNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankLoansMember
Expected loss remaining | 3,046 fil_ExpectedLossRemaining / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankLoansMember |  | 4,111 fil_ExpectedLossRemaining / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankLoansMember
Assumed loss sharing recovery percentage | 60.00%fil_AssumedLossSharingRecoveryPercentage / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankLoansMember |  | 65.00%fil_AssumedLossSharingRecoveryPercentage / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankLoansMember
Estimated loss sharing value | 1,823 fil_EstimatedLossSharingValue / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankLoansMember |  | 2,676 fil_EstimatedLossSharingValue / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankLoansMember
Indemnification assets to be amortized resulting from change in expected losses | 2,579 fil_IndemnificationAssetsToBeAmortizedResultingFromChangeInExpectedLosses / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankLoansMember |  | 2,662 fil_IndemnificationAssetsToBeAmortizedResultingFromChangeInExpectedLosses / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankLoansMember
FDIC indemnification asset | 4,227 us-gaap_FDICIndemnificationAsset / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankLoansMember |  | 5,071 us-gaap_FDICIndemnificationAsset / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankLoansMember
Accretable Discount on FDIC Indemnification Asset | (175)fil_AccretableDiscountOnFDICIndemnificationAsset / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankLoansMember |  | (267)fil_AccretableDiscountOnFDICIndemnificationAsset / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankLoansMember
Sun Security Bank Foreclosed Assets |  |  |
Initial basis for loss sharing determination, net of activity since acquisition date | 1,778 fil_InitialBasisForLossSharingDeterminationNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankForeclosedAssetsMember |  | 2,325 fil_InitialBasisForLossSharingDeterminationNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankForeclosedAssetsMember
Original estimated fair value of assets, net of activity since acquisition date | (1,237)fil_OriginalEstimatedFairValueOfAssetsNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankForeclosedAssetsMember |  | (1,488)fil_OriginalEstimatedFairValueOfAssetsNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankForeclosedAssetsMember
Expected loss remaining | 541 fil_ExpectedLossRemaining / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankForeclosedAssetsMember |  | 837 fil_ExpectedLossRemaining / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankForeclosedAssetsMember
Assumed loss sharing recovery percentage | 80.00%fil_AssumedLossSharingRecoveryPercentage / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankForeclosedAssetsMember |  | 80.00%fil_AssumedLossSharingRecoveryPercentage / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankForeclosedAssetsMember
Estimated loss sharing value | 433 fil_EstimatedLossSharingValue / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankForeclosedAssetsMember |  | 670 fil_EstimatedLossSharingValue / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankForeclosedAssetsMember
FDIC indemnification asset | 370 us-gaap_FDICIndemnificationAsset / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankForeclosedAssetsMember |  | 606 us-gaap_FDICIndemnificationAsset / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankForeclosedAssetsMember
Accretable Discount on FDIC Indemnification Asset | (63)fil_AccretableDiscountOnFDICIndemnificationAsset / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankForeclosedAssetsMember |  | (64)fil_AccretableDiscountOnFDICIndemnificationAsset / us-gaap_BusinessAcquisitionAxis = fil_SunSecurityBankForeclosedAssetsMember
InterBank Loans |  |  |
Initial basis for loss sharing determination, net of activity since acquisition date | 233,417 fil_InitialBasisForLossSharingDeterminationNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_InterBankLoansMember |  | 244,977 fil_InitialBasisForLossSharingDeterminationNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_InterBankLoansMember
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date) | (17,048)fil_ReclassificationFromNonaccretableDiscountToAccretableDiscountDueToChangeInExpectedLossesNetOfAccretionToDate / us-gaap_BusinessAcquisitionAxis = fil_InterBankLoansMember |  | (19,566)fil_ReclassificationFromNonaccretableDiscountToAccretableDiscountDueToChangeInExpectedLossesNetOfAccretionToDate / us-gaap_BusinessAcquisitionAxis = fil_InterBankLoansMember
Original estimated fair value of assets, net of activity since acquisition date | (197,375)fil_OriginalEstimatedFairValueOfAssetsNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_InterBankLoansMember |  | (201,830)fil_OriginalEstimatedFairValueOfAssetsNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_InterBankLoansMember
Expected loss remaining | 20,233 fil_ExpectedLossRemaining / us-gaap_BusinessAcquisitionAxis = fil_InterBankLoansMember |  | 24,942 fil_ExpectedLossRemaining / us-gaap_BusinessAcquisitionAxis = fil_InterBankLoansMember
Assumed loss sharing recovery percentage | 83.00%fil_AssumedLossSharingRecoveryPercentage / us-gaap_BusinessAcquisitionAxis = fil_InterBankLoansMember |  | 82.00%fil_AssumedLossSharingRecoveryPercentage / us-gaap_BusinessAcquisitionAxis = fil_InterBankLoansMember
Estimated loss sharing value | 16,741 fil_EstimatedLossSharingValue / us-gaap_BusinessAcquisitionAxis = fil_InterBankLoansMember | [2] | 20,509 fil_EstimatedLossSharingValue / us-gaap_BusinessAcquisitionAxis = fil_InterBankLoansMember
Indemnification assets to be amortized resulting from change in expected losses | 13,639 fil_IndemnificationAssetsToBeAmortizedResultingFromChangeInExpectedLosses / us-gaap_BusinessAcquisitionAxis = fil_InterBankLoansMember |  | 15,652 fil_IndemnificationAssetsToBeAmortizedResultingFromChangeInExpectedLosses / us-gaap_BusinessAcquisitionAxis = fil_InterBankLoansMember
FDIC indemnification asset | 31,348 us-gaap_FDICIndemnificationAsset / us-gaap_BusinessAcquisitionAxis = fil_InterBankLoansMember |  | 36,814 us-gaap_FDICIndemnificationAsset / us-gaap_BusinessAcquisitionAxis = fil_InterBankLoansMember
Accretable Discount on FDIC Indemnification Asset | (2,564)fil_AccretableDiscountOnFDICIndemnificationAsset / us-gaap_BusinessAcquisitionAxis = fil_InterBankLoansMember |  | (2,967)fil_AccretableDiscountOnFDICIndemnificationAsset / us-gaap_BusinessAcquisitionAxis = fil_InterBankLoansMember
Non-credit premium (discount), net of activity since acquisition date | 1,239 fil_NonCreditPremiumDiscountNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_InterBankLoansMember |  | 1,361 fil_NonCreditPremiumDiscountNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_InterBankLoansMember
FDIC loss share clawback | 3,532 fil_FDICLossShareClawback / us-gaap_BusinessAcquisitionAxis = fil_InterBankLoansMember |  | 3,620 fil_FDICLossShareClawback / us-gaap_BusinessAcquisitionAxis = fil_InterBankLoansMember
InterBank Foreclosed Assets |  |  |
Initial basis for loss sharing determination, net of activity since acquisition date | 4,514 fil_InitialBasisForLossSharingDeterminationNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_InterBankForeclosedAssetsMember |  | 4,494 fil_InitialBasisForLossSharingDeterminationNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_InterBankForeclosedAssetsMember
Original estimated fair value of assets, net of activity since acquisition date | (3,758)fil_OriginalEstimatedFairValueOfAssetsNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_InterBankForeclosedAssetsMember |  | (3,986)fil_OriginalEstimatedFairValueOfAssetsNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_InterBankForeclosedAssetsMember
Expected loss remaining | 756 fil_ExpectedLossRemaining / us-gaap_BusinessAcquisitionAxis = fil_InterBankForeclosedAssetsMember |  | 508 fil_ExpectedLossRemaining / us-gaap_BusinessAcquisitionAxis = fil_InterBankForeclosedAssetsMember
Assumed loss sharing recovery percentage | 80.00%fil_AssumedLossSharingRecoveryPercentage / us-gaap_BusinessAcquisitionAxis = fil_InterBankForeclosedAssetsMember |  | 80.00%fil_AssumedLossSharingRecoveryPercentage / us-gaap_BusinessAcquisitionAxis = fil_InterBankForeclosedAssetsMember
Estimated loss sharing value | 605 fil_EstimatedLossSharingValue / us-gaap_BusinessAcquisitionAxis = fil_InterBankForeclosedAssetsMember | [2] | 406 fil_EstimatedLossSharingValue / us-gaap_BusinessAcquisitionAxis = fil_InterBankForeclosedAssetsMember
FDIC indemnification asset | 572 us-gaap_FDICIndemnificationAsset / us-gaap_BusinessAcquisitionAxis = fil_InterBankForeclosedAssetsMember |  | 373 us-gaap_FDICIndemnificationAsset / us-gaap_BusinessAcquisitionAxis = fil_InterBankForeclosedAssetsMember
Accretable Discount on FDIC Indemnification Asset | (33)fil_AccretableDiscountOnFDICIndemnificationAsset / us-gaap_BusinessAcquisitionAxis = fil_InterBankForeclosedAssetsMember |  | (33)fil_AccretableDiscountOnFDICIndemnificationAsset / us-gaap_BusinessAcquisitionAxis = fil_InterBankForeclosedAssetsMember
Valley Bank Loans |  |  |
Initial basis for loss sharing determination, net of activity since acquisition date | 139,183 fil_InitialBasisForLossSharingDeterminationNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_ValleyBankLoansMember |  | 145,845 fil_InitialBasisForLossSharingDeterminationNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_ValleyBankLoansMember
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date) | (2,308)fil_ReclassificationFromNonaccretableDiscountToAccretableDiscountDueToChangeInExpectedLossesNetOfAccretionToDate / us-gaap_BusinessAcquisitionAxis = fil_ValleyBankLoansMember |  | (1,519)fil_ReclassificationFromNonaccretableDiscountToAccretableDiscountDueToChangeInExpectedLossesNetOfAccretionToDate / us-gaap_BusinessAcquisitionAxis = fil_ValleyBankLoansMember
Original estimated fair value of assets, net of activity since acquisition date | (116,433)fil_OriginalEstimatedFairValueOfAssetsNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_ValleyBankLoansMember |  | (121,982)fil_OriginalEstimatedFairValueOfAssetsNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_ValleyBankLoansMember
Expected loss remaining | 21,737 fil_ExpectedLossRemaining / us-gaap_BusinessAcquisitionAxis = fil_ValleyBankLoansMember |  | 23,858 fil_ExpectedLossRemaining / us-gaap_BusinessAcquisitionAxis = fil_ValleyBankLoansMember
Non-credit premium (discount), net of activity since acquisition date | 1,295 fil_NonCreditPremiumDiscountNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_ValleyBankLoansMember |  | 1,514 fil_NonCreditPremiumDiscountNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_ValleyBankLoansMember
Valley Bank Foreclosed Assets |  |  |
Initial basis for loss sharing determination, net of activity since acquisition date | 868 fil_InitialBasisForLossSharingDeterminationNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_ValleyBankForeclosedAssetsMember |  | 778 fil_InitialBasisForLossSharingDeterminationNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_ValleyBankForeclosedAssetsMember
Original estimated fair value of assets, net of activity since acquisition date | $ (868)fil_OriginalEstimatedFairValueOfAssetsNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_ValleyBankForeclosedAssetsMember |  | $ (778)fil_OriginalEstimatedFairValueOfAssetsNetOfActivitySinceAcquisitionDate / us-gaap_BusinessAcquisitionAxis = fil_ValleyBankForeclosedAssetsMember
[1] | Includes $152,000 impairment of indemnification asset for foreclosed assets. Resolution of certain items related to commercial foreclosed assets did not occur prior to the expiration of the non-single-family loss sharing agreement for Vantus Bank on September 30, 2014.
[2] | Includes $400,000 impairment of indemnification asset for loans

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- Definition Increases to the indemnification asset due to accretion of the loan discount relating to loss sharing agreements with the Federal Deposit Insurance Corporation (FDIC). + References No definition available. + Details
Name: | fil_AccretableDiscountOnFDICIndemnificationAsset
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition FDIC indemnification asset assumed loss sharing recovery percentage. + References No definition available. + Details
Name: | fil_AssumedLossSharingRecoveryPercentage
Namespace Prefix: | fil_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Amount of the estimated loss sharing value. + References No definition available. + Details
Name: | fil_EstimatedLossSharingValue
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition FDIC indemnification asswet expected loss remaining in period. + References No definition available. + Details
Name: | fil_ExpectedLossRemaining
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of the FDIC loss share clawback. + References No definition available. + Details
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Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Impairment of receivable assets originating from the indemnification agreement with the Federal Deposit Insurance Corporation (FDIC), in which the FDIC is to partially cover losses. + References No definition available. + Details
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Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of the initial basis for loss sharing determination, net of activity since acquisition. + References No definition available. + Details
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Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of non-credit premium (discount), net of activity since acquisition date. + References No definition available. + Details
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Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of original estimated fair value of assets, net of activity since acquisition date. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Reclassification amount from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date). + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Carrying amount of receivable assets originating from the indemnification agreement with the Federal Deposit Insurance Corporation (FDIC), in which the FDIC is to partially cover losses. + References No definition available. + Details
Name: | us-gaap_FDICIndemnificationAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Name: | us-gaap_BusinessAcquisitionAxis=fil_SunSecurityBankLoansMember
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Name: | us-gaap_BusinessAcquisitionAxis=fil_TeamBankForeclosedAssetsMember
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Name: | us-gaap_BusinessAcquisitionAxis=fil_ValleyBankLoansMember
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