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Loans and Allowance for Loan Losses (Details 10) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Summary of activity related to our allowance for loan losses
Balance, beginning of period	$ 15,523	$ 14,855	$ 13,629
Provision	1,900	2,000	2,300
Loan charge-offs	(2,146)	(1,638)	(1,648)
Loan recoveries	485	306	574
Net loan charge-offs	(1,661)	(1,332)	(1,074)
Balance, end of period	15,762	15,523	14,855
Commercial [Member]
Summary of activity related to our allowance for loan losses
Balance, beginning of period	9,937	10,039
Provision	1,597	920
Loan charge-offs	(1,127)	(1,227)
Loan recoveries	361	205
Net loan charge-offs	(766)	(1,022)
Balance, end of period	10,768	9,937	10,039
Consumer [Member]
Summary of activity related to our allowance for loan losses
Balance, beginning of period	5,586	4,816
Provision	303	1,080
Loan charge-offs	(1,019)	(411)
Loan recoveries	124	101
Net loan charge-offs	(895)	(310)
Balance, end of period	4,994	5,586	4,816
Unallocated [Member]
Summary of activity related to our allowance for loan losses
Balance, beginning of period
Provision
Loan charge-offs
Loan recoveries
Net loan charge-offs
Balance, end of period

X

- Definition

Allowance for loan and lease losses write offs net of recoveries.

+ References

No definition available.

+ Details

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- Definition

Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7(d))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

A valuation allowance for financing receivables that are expected to be uncollectible.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524

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- Definition

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+ References

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- Definition

Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
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-URI http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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- Definition

Amount of increase in valuation and qualifying accounts and reserves from recovery of amount previously written off or reestablishment of reserve previously utilized.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09)
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

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