Interest Rate Swap Derivatives (Details Narrative) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2017 USD ($) Number	Sep. 30, 2017 USD ($) Number	Dec. 31, 2016 USD ($)
Notional amount	$ 250,000	$ 250,000	$ 250,000
Interest Rate Swap [Member]
Derivative, number of instruments held | Number	3	3
Notional amount	$ 250,000	$ 250,000
Unrealized gain (loss) on derivatives		167	(692)
Derivative instruments, gain (loss) reclassified from accumulated oci into income, effective portion, net	$ 307	(1,321)	(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	$ 657
Derivative instruments, gain (loss) recognized in other comprehensive income (loss), effective portion, net		167	(692)
Derivative liability	(167)	(167)	$ 692
Derivative liability, fair value of collateral	$ 890	$ 890