Amount of cumulative effect of the change in accounting principle or new accounting pronouncement on retained earnings or other components of equity or net assets in the statement of financial position as of the beginning of the earliest period presented.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 3
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22580-107794

Name:	us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Recent Accounting Pronouncements (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Recent Accounting Pronouncements [Abstract]
Federal corporate tax rate	21.00%	35.00%
ASU 2018-02 [Member]
Recent Accounting Pronouncements [Abstract]
Reclassification upon ASU implementation		$ 0
AOCI [Member] \| ASU 2016-01 [Member]
Recent Accounting Pronouncements [Abstract]
Reclassification upon ASU implementation		(2,600)
Retained Earnings [Member] \| ASU 2016-01 [Member]
Recent Accounting Pronouncements [Abstract]
Reclassification upon ASU implementation		2,600
AOCI [Member] \| ASU 2018-02 [Member]
Recent Accounting Pronouncements [Abstract]
Reclassification upon ASU implementation		(5,575)
Retained Earnings [Member] \| ASU 2018-02 [Member]
Recent Accounting Pronouncements [Abstract]
Reclassification upon ASU implementation		$ 5,575