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Employee Stock Ownership Plan (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 1998
Nov. 09, 2021
Dec. 31, 2018
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]            
Contributions to ESOP $ 2,300 $ 1,500        
Dividends paid unallocated ESOP shares 268 313        
Outstanding loan $ 9,200 $ 8,100        
Unallocated shares of ESOP (in shares) 437,725 394,080        
Fair value of unallocated shares $ 9,700          
Shares allocated to participants (in shares) 2,543,294          
Shares committed to be released (in shares) 102,048          
Employee Stock Ownership Plan            
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]            
Minimum age limit for employees to participate in ESOP (years) 21 years          
Employee stock ownership plan ESOP minimum service period 1 year          
Minimum number of working hours (hours) 1000 hours          
Employee stock ownership plan ESOP, vesting period 5 years          
ESOP original borrowings $ 13,400          
Purchase of common stock shares (in shares) 2,013,137          
Additional borrowings       $ 8,200 $ 3,200 $ 8,400
Additional common stock shares (in shares)       633,750 145,693 292,592
Fixed interest rate (percent)       8.25% 0.22% 3.25%
Compensation expense related to ESOP $ 2,200 $ 1,100 $ 1,600      
Increase (decrease) in the average fair value $ 179 $ (80) $ 366      
Employee Stock Ownership Plan | Minimum            
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]            
Extended loan term (years)       12 years    
Employee Stock Ownership Plan | Maximum            
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]            
Extended loan term (years)       30 years