XML 106 R90.htm IDEA: XBRL DOCUMENT v3.10.0.1
Derivatives and Balance Sheet Offsetting (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Derivative [Line Items]      
Gain (Loss) on Derivative Instruments, Net, Pretax $ 8 $ 16 $ 16
Secured Borrowings, Gross Including Not Subject to Master Netting Arrangement 61,094    
Secured Borrowings, Gross, Difference, Amount 0    
Not Designated as Hedging Instrument [Member] | Interest Rate Contracts [Member]      
Derivative [Line Items]      
Derivative, Notional Amount 366,700 384,700  
Not Designated as Hedging Instrument [Member] | Other Assets [Member] | Interest Rate Contracts [Member]      
Derivative [Line Items]      
Derivative Asset, Fair Value, Gross Asset 7,033 6,707  
Not Designated as Hedging Instrument [Member] | Other Liabilities [Member] | Interest Rate Contracts [Member]      
Derivative [Line Items]      
Derivative Liability, Fair Value, Gross Liability 7,033 $ 6,714  
U.S. Government Agency and Government-Sponsored Enterprise Mortgage-Backed Securities and Collateralized Mortgage Obligations [Member]      
Derivative [Line Items]      
Secured Borrowings, Gross Including Not Subject to Master Netting Arrangement 61,094    
U.S. Government Agency and Government-Sponsored Enterprise Mortgage-Backed Securities and Collateralized Mortgage Obligations [Member] | Maturity Overnight [Member]      
Derivative [Line Items]      
Secured Borrowings, Gross Including Not Subject to Master Netting Arrangement 61,094    
U.S. Government Agency and Government-Sponsored Enterprise Mortgage-Backed Securities and Collateralized Mortgage Obligations [Member] | Maturity Less than 30 Days [Member]      
Derivative [Line Items]      
Secured Borrowings, Gross Including Not Subject to Master Netting Arrangement 0    
U.S. Government Agency and Government-Sponsored Enterprise Mortgage-Backed Securities and Collateralized Mortgage Obligations [Member] | Maturity 30 to 90 Days [Member]      
Derivative [Line Items]      
Secured Borrowings, Gross Including Not Subject to Master Netting Arrangement 0    
U.S. Government Agency and Government-Sponsored Enterprise Mortgage-Backed Securities and Collateralized Mortgage Obligations [Member] | Maturity Greater than 90 Days [Member]      
Derivative [Line Items]      
Secured Borrowings, Gross Including Not Subject to Master Netting Arrangement $ 0