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15. Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Assets:
Investment securities available for sale	$ 249,946	$ 268,530
Mortgage loans held for sale	5,709	4,149
Carrying Amount
Assets:
Cash and cash equivalents	70,094	39,763
Investment securities available for sale	249,946	268,530
Other investments	2,635	3,636
Mortgage loans held for sale	5,709	4,149
Loans, net	716,261	679,502
Cash surrender value of life insurance	14,952	14,546
Liabilities:
Deposits	892,918	832,175
Securities sold under agreements to repurchase	36,434	27,874
FHLB borrowings	20,000	43,500
Junior subordinated debentures	20,619	20,619
Level 1
Assets:
Cash and cash equivalents	70,094	39,763
Investment securities available for sale	0	1,325
Other investments	0	0
Mortgage loans held for sale	0	0
Loans, net	0	0
Cash surrender value of life insurance	0	0
Liabilities:
Deposits	0	0
Securities sold under agreements to repurchase	0	0
FHLB borrowings	0	0
Junior subordinated debentures	0	0
Level 2
Assets:
Cash and cash equivalents	0	0
Investment securities available for sale	249,196	266,455
Other investments	0	0
Mortgage loans held for sale	0	0
Loans, net	0	0
Cash surrender value of life insurance	14,952	14,546
Liabilities:
Deposits	0	0
Securities sold under agreements to repurchase	36,434	27,874
FHLB borrowings	18,864	43,144
Junior subordinated debentures	20,619	20,619
Level 3
Assets:
Cash and cash equivalents	0	0
Investment securities available for sale	750	750
Other investments	2,635	3,636
Mortgage loans held for sale	5,709	4,149
Loans, net	720,675	683,540
Cash surrender value of life insurance	0	0
Liabilities:
Deposits	884,510	827,874
Securities sold under agreements to repurchase	0	0
FHLB borrowings	0	0
Junior subordinated debentures	0	0
Estimated Fair Value
Assets:
Cash and cash equivalents	70,094	39,763
Investment securities available for sale	249,946	268,530
Other investments	2,635	3,636
Mortgage loans held for sale	5,709	4,149
Loans, net	720,675	683,540
Cash surrender value of life insurance	14,952	14,546
Liabilities:
Deposits	884,510	827,874
Securities sold under agreements to repurchase	36,434	27,874
FHLB borrowings	18,864	43,144
Junior subordinated debentures	$ 20,619	$ 20,619

X

- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=65884222&loc=d3e22054-111558

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-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27232-111563

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-Publisher FASB
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-Topic 320
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-Section 45
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-URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26610-111562

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X

- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Cash
-URI http://asc.fasb.org/extlink&oid=6506951

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Cash Equivalents
-URI http://asc.fasb.org/extlink&oid=6507016

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X

- Definition

Fair value portion of the amount that could be realized under a life insurance contract or contracts owned by the entity, commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Cash Surrender Value
-URI http://asc.fasb.org/extlink&oid=6507153

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- Definition

Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

+ References

No definition available.

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- Definition

Fair value of subordinated debt obligations including, but not limited to, subordinated loan, subordinated bond, subordinated debenture or junior debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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- Definition

Fair value portion of borrowing from Federal Home Loan Bank (FHLBank).

+ References

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 210.9-03.13(3)(a))
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- Definition

Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Glossary Loan
-URI http://asc.fasb.org/extlink&oid=6517073

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- Definition

Fair value portion of mortgage loans held-for-sale.

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Fair value portion of other assets.

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- Definition

Fair value portion of securities that an entity sells and agrees to repurchase at a specified date for a specified price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13433-108611

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