Quarterly report pursuant to Section 13 or 15(d)

BUSINESS AND BASIS OF PRESENTATION (Narrative) (Details)

v3.20.2
BUSINESS AND BASIS OF PRESENTATION (Narrative) (Details) - USD ($)
3 Months Ended 9 Months Ended
Mar. 01, 2020
Sep. 30, 2020
Sep. 30, 2020
Jun. 30, 2020
Jan. 01, 2020
Dec. 31, 2019
Business and Basis of Presentation [Abstract]            
Business Acquisition, Name of Acquired Entity     Brand Mortgage Group      
Membership interest in Brand Mortgage Group 51.00% 51.00% 51.00%      
Total assets acquired $ 52,000,000          
Liabilities assumed 42,000,000          
Payments to Acquire Businesses, Gross 7,100,000          
Temporary Equity $ 7,400,000 $ 17,199,000 $ 17,199,000     $ 0
Noncontrolling interest in subsidiary 49.00%          
Additional goodwill, Brand Mortgage Group $ 4,300,000          
Reclassification to Temporary Equity   3,075,000 3,075,000 [1]      
Impact of ASC 326 [Line Items]            
Liabilities   3,230,417,000 3,230,417,000     2,761,937,000
Retained Earnings   333,545,000 333,545,000     322,937,000
Financing Receivable, Allowance for Credit Loss   23,137,000 23,137,000 $ 22,457,000 $ 17,174,000 13,905,000
Collateral-dependent loans   7,100,000 7,100,000     6,600,000
Impact of Adoption of ASC 326 [Member]            
Impact of ASC 326 [Line Items]            
Liabilities         4,000,000.0  
Retained Earnings         (3,100,000)  
Deferred Tax Assets         900,000  
Financing Receivable, Allowance for Credit Loss         3,300,000 $ 3,269,000
Impact of Adoption of ASC 326 [Member] | Maximum [Member] | Loss rates for similar loan types [Member]            
Impact of ASC 326 [Line Items]            
Collateral-dependent loans   250,000 250,000      
Impact of Adoption of ASC 326 [Member] | Minimum [Member] | Independent appraisal of underlying collateral [Member]            
Impact of ASC 326 [Line Items]            
Collateral-dependent loans   $ 250,000 $ 250,000      
Impact of Adoption of ASC 326 [Member] | Unfunded Loan Commitment [Member]            
Impact of ASC 326 [Line Items]            
Financing Receivable, Allowance for Credit Loss         $ 700,000  
[1] Adjustment to redemption value for non-controlling interest in Capital City Home Loans