XML 83 R72.htm IDEA: XBRL DOCUMENT v3.19.1
DERIVATIVE FINANCIAL INSTRUMENTS (Back-to-back loan swaps narrative) (Details) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Derivative [Line Items]      
Cash pledged as collateral $ 540,000   $ 0
Counterparties      
Derivative [Line Items]      
Cash pledged as collateral 0   770,000
Back-to-Back Loan Swaps | Interest Rate Swap      
Derivative [Line Items]      
Cash pledged as collateral 7,200,000   2,000,000
Back-to-Back Loan Swaps | Interest Rate Swap | Interest income      
Derivative [Line Items]      
Gain (loss) recognized 0 $ 0  
Back-to-Back Loan Swaps | Interest Rate Swap | Counterparties      
Derivative [Line Items]      
Cash pledged as collateral $ 140,000   $ 680,000