Annual report pursuant to Section 13 and 15(d)

Note 4 - Loans Receivable - Net Fair Value Discount on Loans Receivable Acquired (Details)

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Note 4 - Loans Receivable - Net Fair Value Discount on Loans Receivable Acquired (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
USD ($)
First Federal Savings and Loan [Member]  
Net fair value discount $ 1,106
Accretable period in months (Month)
First Federal Savings and Loan [Member] | Purchased Credit Impaired Loans [Member]  
Net fair value discount
Accretable period in months (Month)
Liberty Savings Bank [Member]  
Net fair value discount $ 1,208
Accretable period in months (Month)
Liberty Savings Bank [Member] | Purchased Credit Impaired Loans [Member]  
Net fair value discount
Accretable period in months (Month)
First Personal Financial Corporation [Member]  
Net fair value discount $ 2,137
Accretable period in months (Month)
First Personal Financial Corporation [Member] | Purchased Credit Impaired Loans [Member]  
Net fair value discount $ 424
Accretable period in months (Month) 2 years 240 days
AJS Bancorp, Inc [Member]  
Net fair value discount $ 3,886
Accretable period in months (Month)
AJS Bancorp, Inc [Member] | Purchased Credit Impaired Loans [Member]  
Net fair value discount
Accretable period in months (Month)
Residential Portfolio Segment [Member] | First Federal Savings and Loan [Member]  
Net fair value discount $ 1,062
Accretable period in months (Month) 4 years 330 days
Residential Portfolio Segment [Member] | Liberty Savings Bank [Member]  
Net fair value discount $ 1,203
Accretable period in months (Month) 3 years 240 days
Residential Portfolio Segment [Member] | First Personal Financial Corporation [Member]  
Net fair value discount $ 948
Accretable period in months (Month) 4 years 240 days
Residential Portfolio Segment [Member] | AJS Bancorp, Inc [Member]  
Net fair value discount $ 3,734
Accretable period in months (Month) 4 years 120 days
Home Equity Portfolio Segment [Member] | First Federal Savings and Loan [Member]  
Net fair value discount $ 44
Accretable period in months (Month) 2 years 150 days
Home Equity Portfolio Segment [Member] | Liberty Savings Bank [Member]  
Net fair value discount $ 5
Accretable period in months (Month) 2 years 150 days
Home Equity Portfolio Segment [Member] | First Personal Financial Corporation [Member]  
Net fair value discount $ 51
Accretable period in months (Month) 4 years 60 days
Home Equity Portfolio Segment [Member] | AJS Bancorp, Inc [Member]  
Net fair value discount $ 141
Accretable period in months (Month) 2 years 240 days
Commercial Real Estate Portfolio Segment [Member] | First Federal Savings and Loan [Member]  
Net fair value discount
Accretable period in months (Month)
Commercial Real Estate Portfolio Segment [Member] | Liberty Savings Bank [Member]  
Net fair value discount
Accretable period in months (Month)
Commercial Real Estate Portfolio Segment [Member] | First Personal Financial Corporation [Member]  
Net fair value discount $ 208
Accretable period in months (Month) 4 years 240 days
Commercial Real Estate Portfolio Segment [Member] | AJS Bancorp, Inc [Member]  
Net fair value discount $ 8
Accretable period in months (Month) 270 days
Construction and Land Development Portfolio Segment [Member] | First Federal Savings and Loan [Member]  
Net fair value discount
Accretable period in months (Month)
Construction and Land Development Portfolio Segment [Member] | Liberty Savings Bank [Member]  
Net fair value discount
Accretable period in months (Month)
Construction and Land Development Portfolio Segment [Member] | First Personal Financial Corporation [Member]  
Net fair value discount $ 1
Accretable period in months (Month) 2 years 180 days
Construction and Land Development Portfolio Segment [Member] | AJS Bancorp, Inc [Member]  
Net fair value discount
Accretable period in months (Month)
Multifamily Portfolio Segment [Member] | First Federal Savings and Loan [Member]  
Net fair value discount
Accretable period in months (Month)
Multifamily Portfolio Segment [Member] | Liberty Savings Bank [Member]  
Net fair value discount
Accretable period in months (Month)
Multifamily Portfolio Segment [Member] | First Personal Financial Corporation [Member]  
Net fair value discount $ 11
Accretable period in months (Month) 4 years
Multifamily Portfolio Segment [Member] | AJS Bancorp, Inc [Member]  
Net fair value discount $ 2
Accretable period in months (Month) 4 years
Consumer Portfolio Segment [Member] | First Federal Savings and Loan [Member]  
Net fair value discount
Accretable period in months (Month)
Consumer Portfolio Segment [Member] | Liberty Savings Bank [Member]  
Net fair value discount
Accretable period in months (Month)
Consumer Portfolio Segment [Member] | First Personal Financial Corporation [Member]  
Net fair value discount $ 146
Accretable period in months (Month) 4 years 60 days
Consumer Portfolio Segment [Member] | AJS Bancorp, Inc [Member]  
Net fair value discount $ 1
Accretable period in months (Month) 150 days
Commercial Portfolio Segment [Member] | First Federal Savings and Loan [Member]  
Net fair value discount
Accretable period in months (Month)
Commercial Portfolio Segment [Member] | Liberty Savings Bank [Member]  
Net fair value discount
Accretable period in months (Month)
Commercial Portfolio Segment [Member] | First Personal Financial Corporation [Member]  
Net fair value discount $ 348
Accretable period in months (Month) 2 years
Commercial Portfolio Segment [Member] | AJS Bancorp, Inc [Member]  
Net fair value discount
Accretable period in months (Month)