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Allowance for Credit Losses on Loans - Activity in Allowance for Losses Disaggregated on Basis of Impairment (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Jan. 01, 2020
Schedule of allowance for loan losses on the basis of impairment method        
Balance at the beginning of the year   $ 36,171 $ 35,042  
Charge-offs     (4,989)  
Recoveries     1,807  
(Reversal of) provision for credit losses     (4,311)  
Balance at the end of the year     36,171  
Beginning balance $ 70,185 36,171 35,042  
Charge-offs (1,946) (5,622) (4,989)  
Recoveries 1,420 2,381 1,807  
(Reversal of) provision for credit losses (27,298) 35,433 4,311  
Ending balance 42,361 70,185 36,171  
Cumulative Effect, Period of Adoption, Adjustment        
Schedule of allowance for loan losses on the basis of impairment method        
Beginning balance 0 1,822 0  
Ending balance   0 1,822  
Cumulative Effect, Period of Adoption, Adjusted Balance        
Schedule of allowance for loan losses on the basis of impairment method        
Beginning balance 70,185 37,993 35,042  
Ending balance   70,185 37,993  
Accounting Standards Update 2016-13        
Schedule of allowance for loan losses on the basis of impairment method        
Impact of CECL Adoption       $ 5,600
Accounting Standards Update 2016-13 | Cumulative Effect, Period of Adoption, Adjustment        
Schedule of allowance for loan losses on the basis of impairment method        
Impact of CECL Adoption     1,822  
Commercial business        
Schedule of allowance for loan losses on the basis of impairment method        
Balance at the beginning of the year   23,933 23,711  
Charge-offs     (2,692)  
Recoveries     657  
(Reversal of) provision for credit losses     (2,257)  
Balance at the end of the year     23,933  
Beginning balance 49,608      
Charge-offs (1,276) (3,751)    
Recoveries 816 1,530    
(Reversal of) provision for credit losses (16,099) 30,831    
Ending balance 33,049 49,608    
Commercial business | Cumulative Effect, Period of Adoption, Adjusted Balance        
Schedule of allowance for loan losses on the basis of impairment method        
Beginning balance   20,998    
Ending balance     20,998  
Commercial business | Accounting Standards Update 2016-13 | Cumulative Effect, Period of Adoption, Adjustment        
Schedule of allowance for loan losses on the basis of impairment method        
Impact of CECL Adoption     (2,935)  
Commercial business | Commercial and industrial        
Schedule of allowance for loan losses on the basis of impairment method        
Balance at the beginning of the year   11,739 11,343  
Charge-offs     (2,692)  
Recoveries     166  
(Reversal of) provision for credit losses     (2,922)  
Balance at the end of the year     11,739  
Beginning balance 30,010      
Charge-offs (917) (3,616)    
Recoveries 791 1,513    
(Reversal of) provision for credit losses (12,107) 21,722    
Ending balance 17,777 30,010    
Commercial business | Commercial and industrial | Cumulative Effect, Period of Adoption, Adjusted Balance        
Schedule of allowance for loan losses on the basis of impairment method        
Beginning balance   10,391    
Ending balance     10,391  
Commercial business | Commercial and industrial | Accounting Standards Update 2016-13 | Cumulative Effect, Period of Adoption, Adjustment        
Schedule of allowance for loan losses on the basis of impairment method        
Impact of CECL Adoption     (1,348)  
Commercial business | Owner-occupied CRE        
Schedule of allowance for loan losses on the basis of impairment method        
Balance at the beginning of the year   4,512 4,898  
Charge-offs     0  
Recoveries     50  
(Reversal of) provision for credit losses     436  
Balance at the end of the year     4,512  
Beginning balance 9,486      
Charge-offs (359) (135)    
Recoveries 25 17    
(Reversal of) provision for credit losses (2,741) 4,640    
Ending balance 6,411 9,486    
Commercial business | Owner-occupied CRE | Cumulative Effect, Period of Adoption, Adjusted Balance        
Schedule of allowance for loan losses on the basis of impairment method        
Beginning balance   4,964    
Ending balance     4,964  
Commercial business | Owner-occupied CRE | Accounting Standards Update 2016-13 | Cumulative Effect, Period of Adoption, Adjustment        
Schedule of allowance for loan losses on the basis of impairment method        
Impact of CECL Adoption     452  
Commercial business | Non-owner occupied CRE        
Schedule of allowance for loan losses on the basis of impairment method        
Balance at the beginning of the year   7,682 7,470  
Charge-offs     0  
Recoveries     441  
(Reversal of) provision for credit losses     229  
Balance at the end of the year     7,682  
Beginning balance 10,112      
Charge-offs 0 0    
Recoveries 0 0    
(Reversal of) provision for credit losses (1,251) 4,469    
Ending balance 8,861 10,112    
Commercial business | Non-owner occupied CRE | Cumulative Effect, Period of Adoption, Adjusted Balance        
Schedule of allowance for loan losses on the basis of impairment method        
Beginning balance   5,643    
Ending balance     5,643  
Commercial business | Non-owner occupied CRE | Accounting Standards Update 2016-13 | Cumulative Effect, Period of Adoption, Adjustment        
Schedule of allowance for loan losses on the basis of impairment method        
Impact of CECL Adoption     (2,039)  
Residential real estate        
Schedule of allowance for loan losses on the basis of impairment method        
Balance at the beginning of the year   1,458 1,203  
Charge-offs     (60)  
Recoveries     0  
(Reversal of) provision for credit losses     (315)  
Balance at the end of the year     1,458  
Beginning balance 1,591      
Charge-offs 0 0    
Recoveries 0 3    
(Reversal of) provision for credit losses (182) (1,341)    
Ending balance 1,409 1,591    
Residential real estate | Cumulative Effect, Period of Adoption, Adjusted Balance        
Schedule of allowance for loan losses on the basis of impairment method        
Beginning balance   2,929    
Ending balance     2,929  
Residential real estate | Accounting Standards Update 2016-13 | Cumulative Effect, Period of Adoption, Adjustment        
Schedule of allowance for loan losses on the basis of impairment method        
Impact of CECL Adoption     1,471  
Real estate construction and land development        
Schedule of allowance for loan losses on the basis of impairment method        
Balance at the beginning of the year   3,060 2,194  
Charge-offs     (133)  
Recoveries     637  
(Reversal of) provision for credit losses     (362)  
Balance at the end of the year     3,060  
Beginning balance 13,092      
Charge-offs (1) (417)    
Recoveries 32 278    
(Reversal of) provision for credit losses (7,847) 3,502    
Ending balance 5,276 13,092    
Real estate construction and land development | Cumulative Effect, Period of Adoption, Adjusted Balance        
Schedule of allowance for loan losses on the basis of impairment method        
Beginning balance   9,729    
Ending balance     9,729  
Real estate construction and land development | Accounting Standards Update 2016-13 | Cumulative Effect, Period of Adoption, Adjustment        
Schedule of allowance for loan losses on the basis of impairment method        
Impact of CECL Adoption     6,669  
Real estate construction and land development | Residential        
Schedule of allowance for loan losses on the basis of impairment method        
Balance at the beginning of the year   1,455 1,240  
Charge-offs     (133)  
Recoveries     637  
(Reversal of) provision for credit losses     289  
Balance at the end of the year     1,455  
Beginning balance 1,951      
Charge-offs 0 0    
Recoveries 32 278    
(Reversal of) provision for credit losses (679) 789    
Ending balance 1,304 1,951    
Real estate construction and land development | Residential | Cumulative Effect, Period of Adoption, Adjusted Balance        
Schedule of allowance for loan losses on the basis of impairment method        
Beginning balance   884    
Ending balance     884  
Real estate construction and land development | Residential | Accounting Standards Update 2016-13 | Cumulative Effect, Period of Adoption, Adjustment        
Schedule of allowance for loan losses on the basis of impairment method        
Impact of CECL Adoption     (571)  
Real estate construction and land development | Commercial and multifamily        
Schedule of allowance for loan losses on the basis of impairment method        
Balance at the beginning of the year   1,605 954  
Charge-offs     0  
Recoveries     0  
(Reversal of) provision for credit losses     (651)  
Balance at the end of the year     1,605  
Beginning balance 11,141      
Charge-offs (1) (417)    
Recoveries 0 0    
(Reversal of) provision for credit losses (7,168) 2,713    
Ending balance 3,972 11,141    
Real estate construction and land development | Commercial and multifamily | Cumulative Effect, Period of Adoption, Adjusted Balance        
Schedule of allowance for loan losses on the basis of impairment method        
Beginning balance   8,845    
Ending balance     8,845  
Real estate construction and land development | Commercial and multifamily | Accounting Standards Update 2016-13 | Cumulative Effect, Period of Adoption, Adjustment        
Schedule of allowance for loan losses on the basis of impairment method        
Impact of CECL Adoption     7,240  
Consumer        
Schedule of allowance for loan losses on the basis of impairment method        
Balance at the beginning of the year   6,821 6,581  
Charge-offs     (2,104)  
Recoveries     513  
(Reversal of) provision for credit losses     (1,831)  
Balance at the end of the year     6,821  
Beginning balance 5,894      
Charge-offs (669) (1,454)    
Recoveries 572 570    
(Reversal of) provision for credit losses (3,170) 2,441    
Ending balance 2,627 5,894    
Consumer | Cumulative Effect, Period of Adoption, Adjusted Balance        
Schedule of allowance for loan losses on the basis of impairment method        
Beginning balance   4,337    
Ending balance     4,337  
Consumer | Accounting Standards Update 2016-13 | Cumulative Effect, Period of Adoption, Adjustment        
Schedule of allowance for loan losses on the basis of impairment method        
Impact of CECL Adoption     (2,484)  
Unallocated        
Schedule of allowance for loan losses on the basis of impairment method        
Balance at the beginning of the year   899 1,353  
Charge-offs     0  
Recoveries     0  
(Reversal of) provision for credit losses     454  
Balance at the end of the year     899  
Beginning balance $ 0      
Charge-offs   0    
Recoveries   0    
(Reversal of) provision for credit losses   0    
Ending balance   0    
Unallocated | Cumulative Effect, Period of Adoption, Adjusted Balance        
Schedule of allowance for loan losses on the basis of impairment method        
Beginning balance   $ 0    
Ending balance     0  
Unallocated | Accounting Standards Update 2016-13 | Cumulative Effect, Period of Adoption, Adjustment        
Schedule of allowance for loan losses on the basis of impairment method        
Impact of CECL Adoption     $ (899)