Quarterly report pursuant to Section 13 or 15(d)

Acquisition Activity - Additional Information (Details)

v3.19.2
Acquisition Activity - Additional Information (Details)
$ / shares in Units, $ in Thousands
Jan. 24, 2019
USD ($)
item
$ / shares
shares
Dec. 17, 2018
USD ($)
Jul. 26, 2018
USD ($)
item
$ / shares
shares
Jun. 30, 2019
USD ($)
May 31, 2004
USD ($)
Business Acquisition [Line Items]          
Business Acquisition, Transaction Costs     $ 1,800    
Number Of Banking Centers | item 22   19    
First Personal          
Business Acquisition [Line Items]          
Common shares fraction multiplier | $ / shares     $ 42.95    
Business Combination, Consideration Transferred     $ 15,600    
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares     161,875    
Payments to Acquire Businesses, Net of Cash Acquired     $ 8,689    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-term Debt     $ 4,124    
First Personal Statutory Trust I [Member]          
Business Acquisition [Line Items]          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-term Debt         $ 4,124
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Debt RedeemedBusiness Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Debt Redeemed   $ 4,124      
First Personal Statutory Trust I [Member] | LIBOR [Member]          
Business Acquisition [Line Items]          
Preferred Securities, Variable Interest Rate   2.75%      
AJSB [Member]          
Business Acquisition [Line Items]          
Common shares fraction multiplier | $ / shares $ 43.01        
Business Combination, Consideration Transferred $ 32,900        
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares 416,478        
Payments to Acquire Businesses, Net of Cash Acquired $ 15,743        
Business Acquisition, Transaction Costs $ 2,100        
Business Combinations, Adjustment to Consideration amount       $ 365  
Number Of Shares Held, Hundred Or More [Member] | First Personal          
Business Acquisition [Line Items]          
Business Combination, Considerations, Number of Shares Transferred Per Share | shares     0.1246    
Business Combinations, Consideration, Amount Of Cash Paid Per Share | $ / shares     $ 6.67    
Number Of Shares Held, Hundred Or More [Member] | AJSB [Member]          
Business Acquisition [Line Items]          
Business Combinations, Consideration, Amount Of Cash Paid Per Share | $ / shares $ 7.20        
Number of Shares Held, Less Than Hundred [Member] | First Personal          
Business Acquisition [Line Items]          
Business Combination, Considerations, Number of Shares Transferred Per Share | shares     0    
Business Combinations, Consideration, Amount Of Cash Paid Per Share | $ / shares     $ 12.12    
Number of Shares Held, Less Than Hundred [Member] | AJSB [Member]          
Business Acquisition [Line Items]          
Business Combination, Considerations, Number of Shares Transferred Per Share | shares 0.2030        
Business Combinations, Consideration, Amount Of Cash Paid Per Share | $ / shares $ 16.00