Loans - Change in the Balances of the ALLL (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Allowance for loan losses:
Balance, beginning of period	$ 10,016	$ 7,073	$ 8,351	$ 5,800
Provision (credit) charged to expense	2,204	454	4,074	1,200
Losses charged off	(1,737)	(76)	(2,118)	(536)
Recoveries	78	220	254	1,207
Balance, end of period	10,561	7,671	10,561	7,671
Commercial and industrial
Allowance for loan losses:
Balance, beginning of period	1,834	1,201	1,367	920
Provision (credit) charged to expense	1,174	29	1,641	310
Losses charged off	(1,582)	0	(1,582)	0
Recoveries	0	0	0	0
Balance, end of period	1,426	1,230	1,426	1,230
Owner-occupied commercial real estate
Allowance for loan losses:
Balance, beginning of period	461	439	476	345
Provision (credit) charged to expense	(5)	16	(20)	110
Losses charged off	0	0	0	0
Recoveries	0	0	0	0
Balance, end of period	456	455	456	455
Investor commercial real estate
Allowance for loan losses:
Balance, beginning of period	171	261	212	261
Provision (credit) charged to expense	(7)	(31)	(48)	(531)
Losses charged off	0	0	0	0
Recoveries	0	0	0	500
Balance, end of period	164	230	164	230
Construction
Allowance for loan losses:
Balance, beginning of period	555	227	500	330
Provision (credit) charged to expense	37	129	92	26
Losses charged off	0	0	0	0
Recoveries	0	0	0	0
Balance, end of period	592	356	592	356
Single tenant lease financing
Allowance for loan losses:
Balance, beginning of period	5,059	3,093	3,931	2,061
Provision (credit) charged to expense	832	429	1,960	1,461
Losses charged off	0	0	0	0
Recoveries	0	0	0	0
Balance, end of period	5,891	3,522	5,891	3,522
Residential mortgage
Allowance for loan losses:
Balance, beginning of period	781	933	896	985
Provision (credit) charged to expense	(67)	(132)	(75)	(284)
Losses charged off	0	(14)	(134)	(185)
Recoveries	2	130	29	401
Balance, end of period	716	917	716	917
Home equity
Allowance for loan losses:
Balance, beginning of period	121	157	125	207
Provision (credit) charged to expense	(15)	(1)	8	(51)
Losses charged off	0	0	(33)	0
Recoveries	4	0	10	0
Balance, end of period	110	156	110	156
Other consumer
Allowance for loan losses:
Balance, beginning of period	1,034	762	844	691
Provision (credit) charged to expense	255	15	516	159
Losses charged off	(155)	(62)	(369)	(351)
Recoveries	72	90	215	306
Balance, end of period	$ 1,206	$ 805	$ 1,206	$ 805

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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

+ References

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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=49124121&loc=SL6953423-111524

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
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-Section S99
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
-Section L
-Subsection 1

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- Definition

Amount of expense related to estimated loss from loan and lease transactions.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
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