Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - New Accounting Standards (Illustration of the Impact of ASC 326) (Details)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - New Accounting Standards (Illustration of the Impact of ASC 326) (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Jan. 01, 2020
Dec. 31, 2019
Dec. 31, 2018
Allowance for credit losses on loans $ 99,787 $ 160,540 $ 89,778 $ 42,294 $ 41,045
Total Allowance for credit losses 99,787 160,540 94,838 43,194  
Accounting Standards Update 2016-13 | Restatement Adjustment          
Allowance for credit losses on loans     47,484    
Total Allowance for credit losses     51,644    
Commercial Portfolio          
Allowance for credit losses on loans 77,902 117,403 37,125 30,941  
Commercial Portfolio | Accounting Standards Update 2016-13 | Restatement Adjustment          
Allowance for credit losses on loans     6,184    
Consumer Portfolio          
Allowance for credit losses on loans $ 21,885 $ 43,137 52,653 11,353  
Consumer Portfolio | Accounting Standards Update 2016-13 | Restatement Adjustment          
Allowance for credit losses on loans     41,300    
Unfunded Commitments          
Total Allowance for credit losses     5,060 $ 900  
Unfunded Commitments | Accounting Standards Update 2016-13 | Restatement Adjustment          
Total Allowance for credit losses     $ 4,160