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Interest Rate Swap Derivatives (Details 1) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Interest Rate Swap 1 [Member]
Amount of pre-tax gain (loss) recognized in OCI	$ 210	$ 59	$ 680	$ 58
Effective portion reclassified from AOCI into income	(195)	(112)	(52)	(266)
Interest Rate Swap 2 [Member]
Amount of pre-tax gain (loss) recognized in OCI	435	25	1,342	(22)
Effective portion reclassified from AOCI into income	(345)	(172)	(27)	(403)
Interest Rate Swap 3 [Member]
Amount of pre-tax gain (loss) recognized in OCI	464	20	1,530	(20)
Effective portion reclassified from AOCI into income	(461)	(152)	(344)	(345)
Interest Rate Swap [Member]
Amount of pre-tax gain (loss) recognized in OCI	1,109	104	3,552	16
Effective portion reclassified from AOCI into income	$ (1,001)	$ (436)	$ (423)	$ (1,014)

X

- Definition

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4D
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624177-113959

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- Definition

The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959

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