XML 89 R79.htm IDEA: XBRL DOCUMENT v3.20.1
Allowance for Credit Losses and Credit Quality - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Aug. 01, 2019
Receivables [Abstract]        
Commitments to lend additional funds $ 840   $ 638  
Other real estate owned and repossessed and returned assets, write down 842 $ 1,800 3,400  
Business Acquisition [Line Items]        
Other real estate owned 38,914   34,256  
Repossessed and returned assets $ 10,196   $ 8,045  
Chemical Financial Corporation        
Business Acquisition [Line Items]        
Other real estate owned       $ 14,600
Repossessed and returned assets       $ 300