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

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

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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The balance of financing receivables that were collectively evaluated for impairment.

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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.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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

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Allowance for Loan Losses - Activity by Class (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance				$ 9,916				$ 10,344	$ 9,916	$ 10,344	$ 11,514
Chargeoffs									1,721	2,373	3,495
Recoveries									343	395	1,175
Provision for loan losses	$ 475	$ 375	$ 375	375	$ 450	$ 200	$ 400	500	1,600	1,550	1,150
Ending balance	10,138				9,916				10,138	9,916	10,344
Ending balance specifically evaluated for impairment	974				754				974	754	1,803
Ending balance collectively evaluated for impairment	9,164				9,162				9,164	9,162	8,541
Loans	1,071,526				988,638				1,071,526	988,638	917,564
Ending balance specifically evaluated for impairment	27,583				29,531				27,583	29,531	35,862
Ending balance collectively evaluated for impairment	1,043,943				959,107				1,043,943	959,107	881,702
Commercial \| Real Estate
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance				3,120				3,532	3,120	3,532	4,602
Chargeoffs									294	280	1,205
Recoveries									0	2	144
Provision for loan losses									1,162	(134)	(9)
Ending balance	3,988				3,120				3,988	3,120	3,532
Ending balance specifically evaluated for impairment	505				89				505	89	346
Ending balance collectively evaluated for impairment	3,483				3,031				3,483	3,031	3,186
Loans	302,506				269,462				302,506	269,462	242,311
Ending balance specifically evaluated for impairment	10,021				10,717				10,021	10,717	13,304
Ending balance collectively evaluated for impairment	292,485				258,745				292,485	258,745	229,007
Commercial \| Construction
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance				580				823	580	823	575
Chargeoffs									75	9	0
Recoveries									8	1	0
Provision for loan losses									(117)	(235)	248
Ending balance	396				580				396	580	823
Ending balance specifically evaluated for impairment	100				302				100	302	413
Ending balance collectively evaluated for impairment	296				278				296	278	410
Loans	25,406				24,881				25,406	24,881	30,932
Ending balance specifically evaluated for impairment	763				1,026				763	1,026	1,380
Ending balance collectively evaluated for impairment	24,643				23,855				24,643	23,855	29,552
Commercial \| Other
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance				1,452				1,505	1,452	1,505	2,276
Chargeoffs									376	732	989
Recoveries									129	88	758
Provision for loan losses									575	591	(540)
Ending balance	1,780				1,452				1,780	1,452	1,505
Ending balance specifically evaluated for impairment	39				8				39	8	129
Ending balance collectively evaluated for impairment	1,741				1,444				1,741	1,444	1,376
Loans	150,769				128,341				150,769	128,341	104,531
Ending balance specifically evaluated for impairment	1,743				1,234				1,743	1,234	2,942
Ending balance collectively evaluated for impairment	149,026				127,107				149,026	127,107	101,589
Municipal
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance				17				15	17	15	15
Chargeoffs									0	0	0
Recoveries									0	0	0
Provision for loan losses									1	2	0
Ending balance	18				17				18	17	15
Ending balance specifically evaluated for impairment	0				0				0	0	0
Ending balance collectively evaluated for impairment	18				17				18	17	15
Loans	27,056				19,751				27,056	19,751	20,424
Ending balance specifically evaluated for impairment	0				0				0	0	0
Ending balance collectively evaluated for impairment	27,056				19,751				27,056	19,751	20,424
Residential \| Construction
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance				24				20	24	20	21
Chargeoffs									0	0	0
Recoveries									0	0	25
Provision for loan losses									20	4	(26)
Ending balance	44				24				44	24	20
Ending balance specifically evaluated for impairment	0				0				0	0	0
Ending balance collectively evaluated for impairment	44				24				44	24	20
Loans	18,303				8,451				18,303	8,451	12,160
Ending balance specifically evaluated for impairment	0				0				0	0	0
Ending balance collectively evaluated for impairment	18,303				8,451				18,303	8,451	12,160
Residential \| Term
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance				1,391				1,185	1,391	1,185	1,099
Chargeoffs									379	420	699
Recoveries									93	152	36
Provision for loan losses									183	474	749
Ending balance	1,288				1,391				1,288	1,391	1,185
Ending balance specifically evaluated for impairment	304				326				304	326	519
Ending balance collectively evaluated for impairment	984				1,065				984	1,065	666
Loans	411,469				403,030				411,469	403,030	384,032
Ending balance specifically evaluated for impairment	13,669				15,088				13,669	15,088	16,123
Ending balance collectively evaluated for impairment	397,800				387,942				397,800	387,942	367,909
Home Equity LIne of Credit
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance				893				1,060	893	1,060	675
Chargeoffs									147	582	153
Recoveries									5	31	16
Provision for loan losses									56	384	522
Ending balance	807				893				807	893	1,060
Ending balance specifically evaluated for impairment	26				29				26	29	396
Ending balance collectively evaluated for impairment	781				864				781	864	664
Loans	110,907				110,202				110,907	110,202	103,521
Ending balance specifically evaluated for impairment	1,387				1,466				1,387	1,466	2,087
Ending balance collectively evaluated for impairment	109,520				108,736				109,520	108,736	101,434
Consumer
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance				566				542	566	542	573
Chargeoffs									450	350	449
Recoveries									108	121	196
Provision for loan losses									335	253	222
Ending balance	559				566				559	566	542
Ending balance specifically evaluated for impairment	0				0				0	0	0
Ending balance collectively evaluated for impairment	559				566				559	566	542
Loans	25,110				24,520				25,110	24,520	19,653
Ending balance specifically evaluated for impairment	0				0				0	0	26
Ending balance collectively evaluated for impairment	25,110				24,520				25,110	24,520	19,627
Unallocated
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance				$ 1,873				$ 1,662	1,873	1,662	1,678
Chargeoffs									0	0	0
Recoveries									0	0	0
Provision for loan losses									(615)	211	(16)
Ending balance	1,258				1,873				1,258	1,873	1,662
Ending balance specifically evaluated for impairment	0				0				0	0	0
Ending balance collectively evaluated for impairment	1,258				1,873				1,258	1,873	1,662
Loans	0				0				0	0	0
Ending balance specifically evaluated for impairment	0				0				0	0	0
Ending balance collectively evaluated for impairment	$ 0				$ 0				$ 0	$ 0	$ 0