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Interest Rate Swap Derivatives (Details 1) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2018 | Mar. 31, 2017
Interest Rate Swap 1 [Member] |  |
Amount of pre-tax gain (loss) recognized in OCI | $ 471 | $ 100
Effective portion reclassified from AOCI into income | (1) | (154)
Interest Rate Swap 2 [Member] |  |
Amount of pre-tax gain (loss) recognized in OCI | 907 | 35
Effective portion reclassified from AOCI into income | (47) | (231)
Interest Rate Swap 3 [Member] |  |
Amount of pre-tax gain (loss) recognized in OCI | 1,065 | 328
Effective portion reclassified from AOCI into income | (40) | (193)
Interest Rate Swap [Member] |  |
Amount of pre-tax gain (loss) recognized in OCI | 2,443 | 463
Effective portion reclassified from AOCI into income | $ (88) | $ (578)

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- 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 + Details
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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 + Details
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