Quarterly report pursuant to Section 13 or 15(d)

Intangibles and Acquisition Related Accounting - Additional Information (Details)

v3.19.2
Intangibles and Acquisition Related Accounting - Additional Information (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Indefinite-lived Intangible Assets [Line Items]        
Goodwill $ 11,109     $ 8,170
Scenario, Forecast [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Finite-Lived Intangible Assets, Amortization Expense, Next Rolling Twelve Months     $ 76  
Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Two   $ 34    
First Federal        
Indefinite-lived Intangible Assets [Line Items]        
Goodwill 2,000      
Liberty Savings        
Indefinite-lived Intangible Assets [Line Items]        
Goodwill 804      
First Personal        
Indefinite-lived Intangible Assets [Line Items]        
Goodwill $ 5,400      
Finite-Lived Intangible Asset, Useful Life 8 months      
First Personal | Fair Value Premium [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Amortization of Intangible Assets $ 133      
First Personal | Loans Receivable [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Amortization of Intangible Assets 53      
AJSB [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Goodwill $ 2,900      
Finite-Lived Intangible Asset, Useful Life 14 years      
Amortization of Intangible Assets $ 64      
AJSB [Member] | Fair Value Premium [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Amortization of Intangible Assets 174      
Core Deposits [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Amortization of Intangible Assets 460      
Core Deposits [Member] | First Federal Acquisition [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Finite-Lived Core Deposits, Gross $ 93      
Finite-Lived Intangible Asset, Useful Life 7 years 10 months 24 days      
Core Deposits [Member] | First Federal        
Indefinite-lived Intangible Assets [Line Items]        
Amortization of Intangible Assets $ 6      
Core Deposits [Member] | Liberty Savings        
Indefinite-lived Intangible Assets [Line Items]        
Finite-Lived Core Deposits, Gross $ 471      
Finite-Lived Intangible Asset, Useful Life 8 years 2 months 12 days      
Amortization of Intangible Assets $ 29      
Core Deposits [Member] | First Personal        
Indefinite-lived Intangible Assets [Line Items]        
Finite-Lived Core Deposits, Gross $ 3,000      
Finite-Lived Intangible Asset, Useful Life 6 years 4 months 24 days      
Amortization of Intangible Assets $ 238      
Core Deposits [Member] | AJSB [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Finite-Lived Core Deposits, Gross $ 2,900      
Finite-Lived Intangible Asset, Useful Life 6 years 6 months