Quarterly report pursuant to Section 13 or 15(d)

LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES, (Narratives) (Details)

v3.20.2
LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES, (Narratives) (Details)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2020
USD ($)
Contracts
Sep. 30, 2019
USD ($)
Contracts
Sep. 30, 2020
USD ($)
Contracts
Sep. 30, 2019
USD ($)
Contracts
Dec. 31, 2019
USD ($)
Jun. 30, 2020
USD ($)
Jan. 01, 2020
USD ($)
Financing Receivable, Allowance for Credit Loss $ 23,137,000   $ 23,137,000   $ 13,905,000 $ 22,457,000 $ 17,174,000
Provision for credit losses 1,265,000   7,870,000        
Net loan charge-offs (585,000)   (1,907,000)        
Accrued interest receivable 7,300,000   7,300,000   5,500,000    
Interest income on nonaccrual loans     28,000        
Real estate loans for which formal foreclosure proceedings were in process 1,200,000   1,200,000   600,000    
TDRs 15,300,000   15,300,000   17,600,000    
TDRs performing in accordance with modified terms     14,700,000   16,900,000    
Estimated loan loss reserves $ 800,000   $ 800,000   1,500,000    
Number of Contracts | Contracts 0 4 3 7      
TDRs, for which there was a payment default and the loans were modified within the twelve months prior to default $ 0   $ 0        
Loan modified with a recorded investment   $ 300,000 200,000 $ 500,000      
Purchase of real estate secured adjustable rate loans     29,500,000        
Net deferred fees 1,300,000   1,300,000        
Loans and Leases Receivable net deferred costs         1,800,000    
Payment Deferral Due to Covid-19 [Member]              
Financing Receivable, Allowance for Credit Loss $ 6,000,000.0   6,000,000.0        
Provision for credit losses     7,900,000        
Net loan charge-offs     $ 1,900,000        
Impact of Adoption of ASC 326 [Member]              
Financing Receivable, Allowance for Credit Loss         $ 3,269,000   3,300,000
Pre-tax cumulative effect transition adjustment             $ 3,300,000