XML 67 R50.htm IDEA: XBRL DOCUMENT v3.22.0.1
Business Combination & Asset Purchase - Additional Information (Detail)
 3 Months Ended 12 Months Ended
Oct. 01, 2021
USD ($)
Office
$ / shares
shares
Apr. 30, 2021
USD ($)
Office
$ / shares
shares
Nov. 16, 2020
USD ($)
shares
Jan. 01, 2019
USD ($)
Office
$ / shares
shares
Dec. 31, 2021
USD ($)
Loan
shares
Sep. 30, 2021
Loan
Jun. 30, 2019
Loan
Dec. 31, 2021
USD ($)
shares
Dec. 31, 2020
USD ($)
shares
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Nov. 30, 2020
USD ($)
Client
Business Acquisition [Line Items]                        
Common stock, shares outstanding | shares         14,063,999     14,063,999 12,230,000      
Remaining economic useful life               7 years        
Goodwill         $ 80,434,000     $ 80,434,000 $ 47,340,000      
Amortization expense               677,000 720,000 $ 727,000    
Custar                        
Business Acquisition [Line Items]                        
Amortization expense                 160,000 167,000    
Customer Lists [Member]                        
Business Acquisition [Line Items]                        
Amortization expense               123,000 16,000      
Perpetual Federal Savings Bank [Member]                        
Business Acquisition [Line Items]                        
Number of full-service offices | Office 1                      
Common stock issued in exchange of each outstanding share 1.7766                      
Cash payment for exchange of each share | $ / shares $ 41.20                      
Business acquisition share owned subject to adjustment | shares 1,833,999                      
Common stock, shares outstanding | shares 2,470,032                      
Share price | $ / shares $ 22.40                      
Total consideration for acquisition $ 100,312,000                      
Cash paid for acquisition 59,234,000             59,234,000        
Stock issued for acquisition 41,078,000                      
Business combination, acquisition related costs               1,700,000        
Goodwill 25,220,000                      
Fair value of assets acquired         334,700,000     334,700,000        
Gross principal and contractual interest         403,300,000     403,300,000        
Acquisition expected to be uncollectible         5,600,000     $ 5,600,000        
Loan receivable weighted average life               52 months        
Business combination, premises and equipment written down value               $ 4,000        
Business combination, average remaining life               16 years 2 months 12 days        
Fair value for certificate of deposit, valuation amount         3,900,000     $ 3,900,000        
Fair value for certificate of deposit, amortization period               1 year 7 months 6 days        
Fair value of Federal Home Loan Bank (FHLB) advances, valuation amount         218,000     $ 218,000        
Fair value of Federal Home Loan Bank (FHLB) advances, amortization period               2 years 7 months 6 days        
Fair value adjustment of loans acquired and accounted $ 237,200       $ 189,800     $ 189,800        
Number of commercial purchased credit impaired loans paid off | Loan         2              
Number of consumer purchased credit impaired loans paid off | Loan         1              
Discount recognized at acquisition related to commercial purchased credit-impaired loans               47,400        
Business acquisition, number of shares issued to purchase assets | shares 1,833,845                      
Fair value of assets acquired         $ 334,700,000     334,700,000        
Acquisition expected to be uncollectible         5,600,000     5,600,000        
Perpetual Federal Savings Bank [Member] | Building [Member]                        
Business Acquisition [Line Items]                        
Business combination, premises and equipment written down value               297,000        
Perpetual Federal Savings Bank [Member] | Core Deposits [Member]                        
Business Acquisition [Line Items]                        
Recognition of core deposit intangible asset with acquired purchase $ 668,000                      
Remaining economic useful life 7 years                      
Perpetual Federal Savings Bank [Member] | Employee Benefits [Member]                        
Business Acquisition [Line Items]                        
Business combination, acquisition related costs               131,500        
Perpetual Federal Savings Bank [Member] | Data Processing [Member]                        
Business Acquisition [Line Items]                        
Business combination, acquisition related costs               444,900        
Perpetual Federal Savings Bank [Member] | Consulting Fees [Member]                        
Business Acquisition [Line Items]                        
Business combination, acquisition related costs               636,800        
Perpetual Federal Savings Bank [Member] | Other General and Administrative Expenses [Member]                        
Business Acquisition [Line Items]                        
Business combination, acquisition related costs               488,300        
Ossian State Bank [Member]                        
Business Acquisition [Line Items]                        
Number of full-service offices | Office   2                    
Ossian Financial Services, Inc. [Member]                        
Business Acquisition [Line Items]                        
Cash payment for exchange of each share | $ / shares   $ 67.71                    
Common stock, shares outstanding | shares   295,388                    
Total consideration for acquisition   $ 20,001,000                    
Cash paid for acquisition   20,001,000                    
Goodwill   7,874,000                    
Fair value of assets acquired         52,400,000     52,400,000        
Gross principal and contractual interest         63,700,000     63,700,000        
Acquisition expected to be uncollectible         1,100,000     $ 1,100,000        
Loan receivable weighted average life               52 months        
Business combination, premises and equipment written down value               $ 596,000        
Business combination, average remaining life               39 years        
Fair value for certificate of deposit, valuation amount         59,000     $ 59,000        
Fair value for certificate of deposit, amortization period               1 year 4 months 24 days        
Fair value adjustment of loans acquired and accounted   $ 324,800     320,600     $ 320,600        
Discount recognized at acquisition related to commercial purchased credit-impaired loans               4,200        
Goodwill deductible for tax purpose, period   15 years                    
Number of agricultural real purchased credit impaired loans paid off | Loan           2            
Fair value of assets acquired         52,400,000     52,400,000        
Acquisition expected to be uncollectible         1,100,000     1,100,000        
Ossian Financial Services, Inc. [Member] | Building [Member]                        
Business Acquisition [Line Items]                        
Business combination, premises and equipment written down value               244,000        
Ossian Financial Services, Inc. [Member] | Core Deposits [Member]                        
Business Acquisition [Line Items]                        
Recognition of core deposit intangible asset with acquired purchase   $ 980,200                    
Remaining economic useful life   7 years                    
Ossian Financial Services, Inc. [Member]                        
Business Acquisition [Line Items]                        
Cash paid for acquisition               20,001,000        
Business combination, acquisition related costs               2,200,000 42,500      
Ossian Financial Services, Inc. [Member] | Employee Benefits [Member]                        
Business Acquisition [Line Items]                        
Business combination, acquisition related costs               694,100        
Ossian Financial Services, Inc. [Member] | Data Processing [Member]                        
Business Acquisition [Line Items]                        
Business combination, acquisition related costs               938,900        
Ossian Financial Services, Inc. [Member] | Consulting Fees [Member]                        
Business Acquisition [Line Items]                        
Business combination, acquisition related costs               255,200 12,500      
Ossian Financial Services, Inc. [Member] | Other General and Administrative Expenses [Member]                        
Business Acquisition [Line Items]                        
Business combination, acquisition related costs               255,000.0 30,000.0      
Ossian Financial Services, Inc. [Member] | ATM Expense [Member]                        
Business Acquisition [Line Items]                        
Business combination, acquisition related costs               13,800        
Bank of Geneva [Member]                        
Business Acquisition [Line Items]                        
Number of full-service offices | Office       6                
Bank of Geneva [Member] | Core Deposits [Member]                        
Business Acquisition [Line Items]                        
Recognition of core deposit intangible asset with acquired purchase       $ 3,900,000                
Limberlost Bancshares, Inc. [Member]                        
Business Acquisition [Line Items]                        
Cash payment for exchange of each share | $ / shares       $ 8,465.00                
Common stock, shares outstanding | shares       1,000                
Share price | $ / shares       $ 38.49                
Total consideration for acquisition       $ 78,902,000                
Cash paid for acquisition       8,465,000           8,465,000    
Stock issued for acquisition       70,437,000                
Business combination, acquisition related costs                   1,280,000 $ 742,100  
Goodwill       43,266,000                
Fair value of assets acquired         257,200,000     257,200,000        
Gross principal and contractual interest         359,200,000     359,200,000        
Acquisition expected to be uncollectible         4,700,000     $ 4,700,000        
Loan receivable weighted average life               70 months        
Business combination, premises and equipment written down value               $ 1,200,000        
Business combination, average remaining life               16 years 9 months        
Fair value for certificate of deposit, valuation amount         500,000     $ 500,000        
Fair value for certificate of deposit, amortization period               1 year 6 months        
Fair value of Federal Home Loan Bank (FHLB) advances, valuation amount         1,300,000     $ 1,300,000        
Fair value of Federal Home Loan Bank (FHLB) advances, amortization period               2 years 3 months 18 days        
Fair value adjustment of loans acquired and accounted       $ 2,118,000         $ 0 62,000    
Number of commercial purchased credit impaired loans paid off | Loan             2          
Discount recognized at acquisition related to commercial purchased credit-impaired loans                   1,985,000    
Business acquisition, number of shares issued to purchase assets | shares       1,830,000                
Business combination, acquisition related costs percentage                     98.40%  
Fair value of assets acquired         257,200,000     $ 257,200,000        
Acquisition expected to be uncollectible         $ 4,700,000     $ 4,700,000        
Limberlost Bancshares, Inc. [Member] | Core Deposits [Member]                        
Business Acquisition [Line Items]                        
Recognition of core deposit intangible asset with acquired purchase       $ 3,900,000                
Remaining economic useful life       7 years                
Limberlost Bancshares, Inc. [Member] | Employee Benefits [Member]                        
Business Acquisition [Line Items]                        
Business combination, acquisition related costs                   163,000.0    
Limberlost Bancshares, Inc. [Member] | Data Processing [Member]                        
Business Acquisition [Line Items]                        
Business combination, acquisition related costs                   867,600 $ 58,600  
Limberlost Bancshares, Inc. [Member] | Consulting Fees [Member]                        
Business Acquisition [Line Items]                        
Business combination, acquisition related costs                   19,300 340,000  
Limberlost Bancshares, Inc. [Member] | Other General and Administrative Expenses [Member]                        
Business Acquisition [Line Items]                        
Business combination, acquisition related costs                   199,800 $ 331,500  
Limberlost Bancshares, Inc. [Member] | ATM Expense [Member]                        
Business Acquisition [Line Items]                        
Business combination, acquisition related costs                   $ 31,400    
Adams County Financial Resources [Member]                        
Business Acquisition [Line Items]                        
Total consideration for acquisition     $ 825,000                  
Stock issued for acquisition     $ 825,000                  
Business acquisition, number of shares issued to purchase assets | shares     40,049                  
Assets under management amount                       $ 83,000,000
Number of clients assets under management | Client                       450
Adams County Financial Resources [Member] | Customer Lists [Member]                        
Business Acquisition [Line Items]                        
Recognition of core deposit intangible asset with acquired purchase     $ 800,000                  
Remaining economic useful life     6 years 6 months