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FDIC-Acquired Loans and Loss Sharing Agreements (Details) - USD ($) | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Jun. 09, 2017 | Apr. 26, 2016 | Jun. 20, 2014
Business Acquisition [Line Items] |  |  |  |  |
Goodwill recorded on acquisition date | $ 6,944,000 | $ 8,098,000 |  |  |
TeamBank |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Gross loans receivable | 5,393,000 | 7,304,000 |  |  |
Balance of accretable discount due to change in expected losses | (97,000) | (159,000) |  |  |
Net carrying value of loans receivable | (5,266,000) | (7,118,000) |  |  |
Expected loss remaining | 30,000 | 27,000 |  |  |
Goodwill recorded on acquisition date |  |  |  | $ 0 |
Vantus Bank |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Gross loans receivable | 8,052,000 | 9,899,000 |  |  |
Balance of accretable discount due to change in expected losses | (35,000) | (89,000) |  |  |
Net carrying value of loans receivable | (8,004,000) | (9,797,000) |  |  |
Expected loss remaining | 13,000 | 13,000 |  |  |
Goodwill recorded on acquisition date |  |  |  | 0 |
Sun Security Bank |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Gross loans receivable | 13,395,000 | 17,906,000 |  |  |
Balance of accretable discount due to change in expected losses | (180,000) | (374,000) |  |  |
Net carrying value of loans receivable | (13,111,000) | (17,392,000) |  |  |
Expected loss remaining | 104,000 | 140,000 |  |  |
Goodwill recorded on acquisition date |  |  |  | $ 0 |
InterBank |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Gross loans receivable | 44,215,000 | 60,430,000 |  |  |
Balance of accretable discount due to change in expected losses | (1,079,000) | (5,143,000) |  |  |
Net carrying value of loans receivable | (42,057,000) | (54,442,000) |  |  |
Expected loss remaining | 1,079,000 | 845,000 |  |  |
Goodwill recorded on acquisition date |  |  | $ 0 |  |
Valley Bank |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Gross loans receivable | 31,515,000 | 41,032,000 |  |  |
Balance of accretable discount due to change in expected losses | (612,000) | (1,803,000) |  |  |
Net carrying value of loans receivable | (30,204,000) | (38,452,000) |  |  |
Expected loss remaining | $ 699,000 | $ 777,000 |  |  |
Goodwill recorded on acquisition date |  |  |  |  | $ 0

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- Definition Represents the monetary amount of FDIC Indemnification Asset Net Carrying Value to Loans Receivable, as of the indicated date. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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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
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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
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