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Other Derivatives (Details 1) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Amount of pre-tax gain (loss) recognized in OCI $ (171) $ 930 $ 2,234 $ 3,552
Interest Rate Swap 1 [Member]        
Amount of pre-tax gain (loss) recognized in OCI 834 1,109    
Effective portion reclassified from AOCI into income $ 313 $ 104    
Interest Rate Swap [Member]        
Amount of pre-tax gain (loss) recognized in OCI     1,867 829
Effective portion reclassified from AOCI into income     $ 775 $ 16