Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - New Accounting Standards (Narrative) (Details)

v3.22.0.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - New Accounting Standards (Narrative) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Jan. 01, 2020
Dec. 31, 2019
Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Lease liabilities $ 50,742 $ 58,901      
Operating lease, right-of-use asset 40,653 48,051      
Allowance for credit losses on loans 99,787 160,540 $ 89,778 $ 42,294 $ 41,045
Available for sale securities, allowance for credit losses 0        
Impact of adoption of new guidance 783,794 616,052      
Accounting Standards Update 2016-13          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Allowance for credit losses     2,400    
Increase in allowance for credit losses on Purchased with Credit Deterioration (PCD) assets 0 $ 2,386      
Restatement Adjustment | Accounting Standards Update 2016-13          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Allowance for credit losses on loans     $ 47,484    
Cumulative Effect, Period of Adoption, Adjustment | Accounting Standards Update 2016-13          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Impact of adoption of new guidance $ (39,100)