XML 116 R101.htm IDEA: XBRL DOCUMENT v3.20.4
Note 14 - Financial Derivatives (Details Textual)
$ in Thousands
12 Months Ended
May 31, 2014
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Junior Subordinated Notes, Total $ 119,100 $ 119,136  
Cash [Member]      
Collateral Already Posted, Aggregate Fair Value   11,900 $ 7,100
Interest Rate Swap [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]      
Derivative Asset, Number of Instruments Held 5    
Derivative Outstanding, Notional Amount $ 119,100    
Derivative Original Maturity (Year) 10 years    
Derivative, Notional Amount   119,136 119,136
Interest Rate Swap [Member] | Fair Value Hedging [Member] | Designated as Hedging Instrument [Member]      
Derivative, Notional Amount   $ 478,266 $ 579,584
Interest Rate Swap [Member] | Fair Value Hedging [Member] | Designated as Hedging Instrument [Member] | Minimum [Member]      
Derivative, Term of Contract (Year)   3 years  
Interest Rate Swap [Member] | Fair Value Hedging [Member] | Designated as Hedging Instrument [Member] | Maximum [Member]      
Derivative, Term of Contract (Year)   10 years  
Loans Receivable with Partial-term Hedging Designation [Member]      
Derivative, Notional Amount   $ 44,700  
Loans and Leases Receivable, Gross, Total   25,000  
Hedged Asset, Fair Value Hedge, Last-of-Layer, Amount   25,000  
Hedged Asset, Fair Value Hedge, Last-of-Layer, Cumulative Increase (Decrease)   $ 342