Loans (Details 3) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Allowance for loan losses
Beginning balance	$ 9,390	$ 7,723	$ 8,978	$ 7,632	$ 7,632
Provision for loan losses	990	850	1,770	1,300
Loans charged off	(819)	(1,496)	(1,397)	(2,114)
Recoveries	159	209	369	468
Ending balance	9,720	7,286	9,720	7,286	8,978
Commercial real estate
Allowance for loan losses
Beginning balance	3,181	2,917	3,127	2,676	2,676
Provision for loan losses	335	223	378	455
Loans charged off	(307)	(516)	(307)	(520)
Recoveries	1	9	12	22
Ending balance	3,210	2,633	3,210	2,633	3,127
Commercial
Allowance for loan losses
Beginning balance	1,452	1,351	1,373	1,420	1,420
Provision for loan losses	212	183	276	113
Loans charged off	(37)	(254)	(37)	(254)
Recoveries	7	0	22	1
Ending balance	1,634	1,280	1,634	1,280	1,373
Residential real estate
Allowance for loan losses
Beginning balance	1,914	1,640	1,845	1,689	1,689
Provision for loan losses	196	49	271	59
Loans charged off	(44)	(160)	(78)	(241)
Recoveries	15	19	43	41
Ending balance	2,081	1,548	2,081	1,548	1,845
Consumer
Allowance for loan losses
Beginning balance	2,218	1,705	2,160	1,663	1,663
Provision for loan losses	521	505	967	857
Loans charged off	(431)	(566)	(975)	(1,099)
Recoveries	136	181	292	404
Ending balance	2,444	1,825	2,444	1,825	2,160
Unallocated
Allowance for loan losses
Beginning balance	625	110	473	184	184
Provision for loan losses	(274)	(110)	(122)	(184)
Loans charged off	0	0	0	0
Recoveries	0	0	0	0
Ending balance	$ 351	$ 0	$ 351	$ 0	$ 473

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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- 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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- 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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

Reference 3: 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(d))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 6.L.1)
-URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (b)(1)(ii)
-URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544

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