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Credit Quality Indicators (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	$ 833,748	$ 779,340
Pass
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	819,478	759,104
Special Mention
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	5,223	7,672
Substandard
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	9,047	12,564
Originated Loans
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	650,680	574,943
Originated Loans | Pass
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	643,944	564,374
Originated Loans | Special Mention
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	3,329	4,310
Originated Loans | Substandard
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	3,407	6,259
Originated Loans | Commercial real estate | Commercial real estate, Owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	124,306	109,433
Originated Loans | Commercial real estate | Commercial real estate, Non-owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	182,433	165,448
Originated Loans | Commercial real estate | Commercial farmland
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	50,814	34,115
Originated Loans | Commercial real estate | Commercial real estate, Other
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	78,184	70,542
Originated Loans | Commercial real estate | Pass | Commercial real estate, Owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	122,180	106,448
Originated Loans | Commercial real estate | Pass | Commercial real estate, Non-owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	181,833	162,465
Originated Loans | Commercial real estate | Pass | Commercial farmland
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	50,717	34,057
Originated Loans | Commercial real estate | Pass | Commercial real estate, Other
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	77,564	69,947
Originated Loans | Commercial real estate | Special Mention | Commercial real estate, Owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	473	490
Originated Loans | Commercial real estate | Special Mention | Commercial real estate, Non-owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	446	522
Originated Loans | Commercial real estate | Special Mention | Commercial farmland
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	46	0
Originated Loans | Commercial real estate | Special Mention | Commercial real estate, Other
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	362	325
Originated Loans | Commercial real estate | Substandard | Commercial real estate, Owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	1,653	2,495
Originated Loans | Commercial real estate | Substandard | Commercial real estate, Non-owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	154	2,461
Originated Loans | Commercial real estate | Substandard | Commercial farmland
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	51	58
Originated Loans | Commercial real estate | Substandard | Commercial real estate, Other
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	258	270
Originated Loans | Commercial | Commercial and industrial
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	184,497	170,732
Originated Loans | Commercial | Commercial, Agricultural
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	30,446	24,673
Originated Loans | Commercial | Pass | Commercial and industrial
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	181,499	167,062
Originated Loans | Commercial | Pass | Commercial, Agricultural
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	30,151	24,395
Originated Loans | Commercial | Special Mention | Commercial and industrial
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	1,977	2,720
Originated Loans | Commercial | Special Mention | Commercial, Agricultural
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	25	253
Originated Loans | Commercial | Substandard | Commercial and industrial
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	1,021	950
Originated Loans | Commercial | Substandard | Commercial, Agricultural
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	270	25
Acquired Loans
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	183,068	204,397
Acquired Loans | Pass
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	175,534	194,730
Acquired Loans | Special Mention
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	1,894	3,362
Acquired Loans | Substandard
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	5,640	6,305
Acquired Loans | Commercial real estate | Commercial real estate, Owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	56,331	60,928
Acquired Loans | Commercial real estate | Commercial real estate, Non-owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	20,954	24,949
Acquired Loans | Commercial real estate | Commercial farmland
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	47,885	54,204
Acquired Loans | Commercial real estate | Commercial real estate, Other
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	13,501	14,666
Acquired Loans | Commercial real estate | Pass | Commercial real estate, Owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	54,121	58,655
Acquired Loans | Commercial real estate | Pass | Commercial real estate, Non-owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	20,215	23,577
Acquired Loans | Commercial real estate | Pass | Commercial farmland
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	47,114	53,039
Acquired Loans | Commercial real estate | Pass | Commercial real estate, Other
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	12,813	14,060
Acquired Loans | Commercial real estate | Special Mention | Commercial real estate, Owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	486	707
Acquired Loans | Commercial real estate | Special Mention | Commercial real estate, Non-owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	388	1,195
Acquired Loans | Commercial real estate | Special Mention | Commercial farmland
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	0	0
Acquired Loans | Commercial real estate | Special Mention | Commercial real estate, Other
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	574	464
Acquired Loans | Commercial real estate | Substandard | Commercial real estate, Owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	1,724	1,566
Acquired Loans | Commercial real estate | Substandard | Commercial real estate, Non-owner occupied
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	351	177
Acquired Loans | Commercial real estate | Substandard | Commercial farmland
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	771	1,165
Acquired Loans | Commercial real estate | Substandard | Commercial real estate, Other
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	114	142
Acquired Loans | Commercial | Commercial and industrial
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	30,821	33,626
Acquired Loans | Commercial | Commercial, Agricultural
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	13,576	16,024
Acquired Loans | Commercial | Pass | Commercial and industrial
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	28,591	30,543
Acquired Loans | Commercial | Pass | Commercial, Agricultural
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	12,680	14,856
Acquired Loans | Commercial | Special Mention | Commercial and industrial
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	50	311
Acquired Loans | Commercial | Special Mention | Commercial, Agricultural
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	396	685
Acquired Loans | Commercial | Substandard | Commercial and industrial
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	2,180	2,772
Acquired Loans | Commercial | Substandard | Commercial, Agricultural
Financing Receivable Recorded Investment [Line Items]
Total risk category of loans by class of loans	$ 500	$ 483

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Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.3)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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