Related Party Transactions (Details) - USD ($)	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Related Party Transactions [Abstract]
Beginning balance	$ 54,502,000	$ 56,045,000
New loans	29,725,000	5,450,000
Loan repayments	(7,392,000)	(6,993,000)
Ending balance	76,835,000	54,502,000
Related Party Deposit Liabilities	$ 110,324,000	$ 156,709,000

For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7(e))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Name:	us-gaap_LoansAndLeasesReceivableRelatedParties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant