Loans (Details 3) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Allowance for loan losses
Beginning balance	$ 12,764	$ 11,746	$ 12,315	$ 10,852
Provision for loan losses	950	950	2,475	2,950
Loans charged off	(544)	(809)	(2,103)	(2,477)
Recoveries	207	217	690	779
Ending balance	13,377	12,104	13,377	12,104
Commercial real estate
Allowance for loan losses
Beginning balance	4,339	3,954	4,260	3,577
Provision for loan losses	380	264	426	706
Loans charged off	0	0	0	(207)
Recoveries	21	1	54	143
Ending balance	4,740	4,219	4,740	4,219
Commercial
Allowance for loan losses
Beginning balance	1,937	1,936	2,011	1,874
Provision for loan losses	96	87	182	302
Loans charged off	(32)	(10)	(194)	(225)
Recoveries	6	2	8	64
Ending balance	2,007	2,015	2,007	2,015
Residential real estate
Allowance for loan losses
Beginning balance	2,651	2,310	2,521	2,205
Provision for loan losses	177	36	345	150
Loans charged off	(48)	(74)	(172)	(116)
Recoveries	40	61	126	94
Ending balance	2,820	2,333	2,820	2,333
Consumer
Allowance for loan losses
Beginning balance	3,050	2,927	2,848	2,766
Provision for loan losses	309	552	1,422	1,592
Loans charged off	(464)	(725)	(1,737)	(1,929)
Recoveries	140	153	502	478
Ending balance	3,035	2,907	3,035	2,907
Unallocated
Allowance for loan losses
Beginning balance	787	619	675	430
Provision for loan losses	(12)	11	100	200
Loans charged off	0	0	0	0
Recoveries	0	0	0	0
Ending balance	$ 775	$ 630	$ 775	$ 630

Provision (reversal) for loan losses expensed.

No definition available.

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- Definition

Amount of recovery of financing receivables doubtful of collection that were previously charged off.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of direct write-downs of financing receivables charged against the allowance.

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
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