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Note 2 - Acquisition Activity - Fair Value of Tangible and Intangible Assets Acquired and Liabilities Assumed From AJSB (Details) - USD ($) $ in Thousands | Jan. 24, 2019 | Jan. 23, 2019 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | --- | ---
Goodwill |  |  | $ 11,109 | $ 11,109
AJS Bancorp, Inc [Member] |  |  |  |
Cash and due from banks | $ 68,303 |  |  |
Investment securities, available for sale | 3,432 |  |  |
Total Loans | 87,846 |  |  |
Premises and equipment, net | 3,542 |  |  |
FHLB stock | 512 |  |  |
Goodwill | 2,939 |  | $ 2,900 |
Core deposit intangible | 2,917 |  |  |
Interest receivable | 351 |  |  |
Other assets | 8,939 |  |  |
Total assets purchased | 178,781 |  |  |
Common shares issued | 17,492 |  |  |
Cash paid | 15,743 |  |  |
Total purchase price | 33,235 | $ 33,200 |  |
Total Deposits | 144,226 |  |  |
Interest payable | 50 |  |  |
Other liabilities | 1,270 |  |  |
Total liabilities assumed | 145,546 |  |  |
AJS Bancorp, Inc [Member] | Non-interest Bearing Deposit Liability [Member] |  |  |  |
Total Deposits | 24,502 |  |  |
AJS Bancorp, Inc [Member] | Commercial Loan [Member] |  |  |  |
Total Loans | 712 |  |  |
AJS Bancorp, Inc [Member] | NOW Accounts [Member] |  |  |  |
Total Deposits | 10,712 |  |  |
AJS Bancorp, Inc [Member] | Residential Mortgage [Member] |  |  |  |
Total Loans | 85,635 |  |  |
AJS Bancorp, Inc [Member] | Savings and Money Market Deposit Liability [Member] |  |  |  |
Total Deposits | 68,875 |  |  |
AJS Bancorp, Inc [Member] | Multifamily Loan [Member] |  |  |  |
Total Loans | 1,442 |  |  |
AJS Bancorp, Inc [Member] | Certificates of Deposit Liability [Member] |  |  |  |
Total Deposits | 40,137 |  |  |
AJS Bancorp, Inc [Member] | Consumer Loan [Member] |  |  |  |
Total Loans | $ 57 |  |  |

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