Interest Rate Swap Derivatives (Details Narrative) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) Number	Dec. 31, 2016 USD ($) Number
Notional amount	$ 250,000	$ 250,000
Derivative liability	$ 10	$ 692
Interest Rate Swap [Member]
Derivative, number of instruments held | Number	3	3
Notional amount	$ 250,000	$ 250,000
Unrealized gain (loss) on derivatives	2,300	(692)
Derivative instruments, gain (loss) reclassified from accumulated oci into income, effective portion, net	$ (1,594)	(2,255)
Derivative instruments, gain (loss) reclassification from accumulated oci to income, estimate of time to transfer	1 year
Derivative instruments, gain (loss) reclassification from accumulated oci to income, estimated net amount to be transferred	$ 89
Derivative assets	$ 2,201
Derivative liability		692
Derivative liability, fair value of collateral		$ 550