Note 4 - Loans and Allowance for Loan Losses (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

	December 31, 201 7					December 31, 201 6					Percent Increase
	Balance		%			Balance		%			(Decrease)
Originated Loans
Commercial:
Commercial and industrial	$	680,805,000		31.3	%	$	636,771,000		33.8	%		6.9	%
Vacant land, land development, and residential construction		23,682,000		1.1			26,519,000		1.4			(10.7	)
Real estate – owner occupied		456,065,000		21.0			363,509,000		19.3			25.5
Real estate – non-owner occupied		708,824,000		32.7			652,054,000		34.6			8.7
Real estate – multi-family and residential rental		64,852,000		3.0			50,045,000		2.6			29.6
Total commercial		1,934,228,000		89.1			1,728,898,000		91.7			11.9
Retail:
Home equity and other		69,675,000		3.2			69,831,000		3.7			(0.2	)
1-4 family mortgages		166,054,000		7.7			85,819,000		4.6			93.5
Total retail		235,729,000		10.9			155,650,000		8.3			51.4
Total originated loans	$	2,169,957,000		100.0	%	$	1,884,548,000		100.0	%		15.1	%

	December 31, 201 7					December 31, 201 6					Percent Increase
	Balance		%			Balance		%			(Decrease)
Acquired Loans
Commercial:
Commercial and industrial	$	72,959,000		18.8	%	$	77,132,000		15.6	%		(5.4%	)
Vacant land, land development, and residential construction		6,191,000		1.6			8,309,000		1.7			(25.5	)
Real estate – owner occupied		70,263,000		18.1			86,955,000		17.6			(19.2	)
Real estate – non-owner occupied		82,861,000		21.3			96,215,000		19.5			(13.9	)
Real estate – multi-family and residential rental		37,066,000		9.5			67,838,000		13.7			(45.4	)
Total commercial		269,340,000		69.3			336,449,000		68.1			(19.9	)
Retail:
Home equity and other		30,750,000		7.9			48,216,000		9.8			(36.2	)
1-4 family mortgages		88,505,000		22.8			109,407,000		22.1			(19.1	)
Total retail		119,255,000		30.7			157,623,000		31.9			(24.3	)
Total acquired loans	$	388,595,000		100.0	%	$	494,072,000		100.0	%		(21.3%	)

	December 31, 201 7					December 31, 201 6					Percent Increase
	Balance		%			Balance		%			(Decrease)
Total Loans
Commercial:
Commercial and industrial	$	753,764,000		29.4	%	$	713,903,000		30.0	%		5.6	%
Vacant land, land development, and residential construction		29,873,000		1.2			34,828,000		1.5			(14.2	)
Real estate – owner occupied		526,328,000		20.6			450,464,000		18.9			16.8
Real estate – non-owner occupied		791,685,000		30.9			748,269,000		31.5			5.8
Real estate – multi-family and residential rental		101,918,000		4.0			117,883,000		4.9			(13.5	)
Total commercial		2,203,568,000		86.1			2,065,347,000		86.8			6.7
Retail:
Home equity and other		100,425,000		3.9			118,047,000		5.0			(14.9	)
1-4 family mortgages		254,559,000		10.0			195,226,000		8.2			30.4
Total retail		354,984,000		13.9			313,273,000		13.2			13.3
Total loans	$	2,558,552,000		100.0	%	$	2,378,620,000		100.0	%		7.6	%

Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Accretable Yield Movement [Table Text Block]

	201 7
Balance at December 31, 201 6	$	1,726,000
Additions		223,000
Accretion income		(562,000	)
Net reclassification from nonaccretable to accretable		367,000
Reductions (1)		(350,000	)
Balance at December 31, 201 7	$	1,404,000

	201 6
Balance at December 31, 2015	$	5,193,000
Additions		245,000
Accretion income		(2,388,000	)
Net reclassification from nonaccretable to accretable		4,635,000
Reductions (1)		(1,761,000	)
Removal due to pool excess recovery (2)		(4,198,000	)
Balance at December 31, 201 6	$	1,726,000

Concentrations Within Loan Portfolio [Table Text Block]

	201 7					201 6
			Percentage of					Percentage of
	Balance		Loan Portfolio			Balance		Loan Portfolio
Commercial real estate loans to lessors of non-residential buildings	$	547,841,000		21.4	%	$	562,902,000		23.7	%

Schedule of Financing Receivables, Non Accrual Status [Table Text Block]

	201 7		201 6
Loans past due 90 days or more still accruing interest	$	0	$	0
Nonaccrual loans		3,672,000		3,328,000
Total nonperforming loans	$	3,672,000	$	3,328,000

	201 7		201 6
Loans past due 90 days or more still accruing interest	$	0	$	0
Nonaccrual loans		3,471,000		2,611,000
Total nonperforming loans	$	3,471,000	$	2,611,000

	December 31, 201 7		December 31, 201 6
Commercial:
Commercial and industrial	$	1,444,000	$	2,296,000
Vacant land, land development, and residential construction		35,000		95,000
Real estate – owner occupied		2,241,000		285,000
Real estate – non-owner occupied		0		488,000
Real estate – multi-family and residential rental		178,000		17,000
Total commercial		3,898,000		3,181,000
Retail:
Home equity and other		577,000		496,000
1-4 family mortgages		2,668,000		2,262,000
Total retail		3,245,000		2,758,000
Total nonperforming loans	$	7,143,000	$	5,939,000

Past Due Financing Receivables [Table Text Block]

	30 – 59 Days Past Due		60 – 89 Days Past Due		Greater Than 89 Days Past Due		Total Past Due		Current		Total Loans		Recorded Balance > 89 Days and Accruing
Originated Loans
Commercial:
Commercial and industrial	$	0	$	0	$	178,000	$	178,000	$	680,627,000	$	680,805,000	$	0
Vacant land, land development, and residential construction		0		0		35,000		35,000		23,647,000		23,682,000		0
Real estate – owner occupied		0		0		1,244,000		1,244,000		454,821,000		456,065,000		0
Real estate – non-owner occupied		0		0		0		0		708,824,000		708,824,000		0
Real estate – multi-family and residential rental		0		0		0		0		64,852,000		64,852,000		0
Total commercial		0		0		1,457,000		1,457,000		1,932,771,000		1,934,228,000		0
Retail:
Home equity and other		647,000		11,000		86,000		744,000		68,931,000		69,675,000		0
1- 4 family mortgages		0		0		250,000		250,000		165,804,000		166,054,000		0
Total retail		647,000		11,000		336,000		994,000		234,735,000		235,729,000		0
Total past due loans	$	647,000	$	11,000	$	1,793,000	$	2,451,000	$	2,167,506,000	$	2,169,957,000	$	0

	30 – 59 Days Past Due		60 – 89 Days Past Due		Greater Than 89 Days Past Due		Total Past Due		Current		Total Loans		Recorded Balance > 89 Days and Accruing
Acquired Loans
Commercial:
Commercial and industrial	$	40,000	$	0	$	114,000	$	154,000	$	72,805,000	$	72,959,000	$	0
Vacant land, land development, and residential construction		14,000		0		0		14,000		6,177,000		6,191,000		0
Real estate – owner occupied		634,000		0		271,000		905,000		69,358,000		70,263,000		0
Real estate – non-owner occupied		0		0		0		0		82,861,000		82,861,000		0
Real estate – multi-family and residential rental		0		0		108,000		108,000		36,958,000		37,066,000		0
Total commer cial		688,000		0		493,000		1,181,000		268,159,000		269,340,000		0
Retail:
Home equity and other		408,000		52,000		154,000		614,000		30,136,000		30,750,000		0
1- 4 family mortgages		690,000		333,000		661,000		1,684,000		86,821,000		88,505,000		0
Total retail		1,098,000		385,000		815,000		2,298,000		116,957,000		119,255,000		0
Total past due loans	$	1,786,000	$	385,000	$	1,308,000	$	3,479,000	$	385,116,000	$	388,595,000	$	0

	30 – 59 Days Past Due		60 – 89 Days Past Due		Greater Than 89 Days Past Due		Total Past Due		Current		Total Loans		Recorded Balance > 89 Days and Accruing
Originated Loans
Commercial:
Commercial and industrial	$	0	$	27,000	$	0	$	27,000	$	636,744,000	$	636,771,000	$	0
Vacant land, land development, and residential construction		0		0		0		0		26,519,000		26,519,000		0
Real estate – owner occupied		0		0		0		0		363,509,000		363,509,000		0
Real estate – non-owner occupied		0		0		0		0		652,054,000		652,054,000		0
Real estate – multi-family and residential rental		0		0		0		0		50,045,000		50,045,000		0
Total commercial		0		27,000		0		27,000		1,728,871,000		1,728,898,000		0
Retail:
Home equity and other		46,000		98,000		0		144,000		69,687,000		69,831,000		0
1- 4 family mortgages		758,000		122,000		337,000		1,217,000		84,602,000		85,819,000		0
Total retail		804,000		220,000		337,000		1,361,000		154,289,000		155,650,000		0
Total past due loans	$	804,000	$	247,000	$	337,000	$	1,388,000	$	1,883,160,000	$	1,884,548,000	$	0

	30 – 59 Days Past Due		60 – 89 Days Past Due		Greater Than 89 Days Past Due		Total Past Due		Current		Total Loans		Recorded Balance > 89 Days and Accruing
Acquired Loans
Commercial:
Commercial and industrial	$	0	$	11,000	$	16,000	$	27,000	$	77,105,000	$	77,132,000	$	0
Vacant land, land development, and residential construction		0		0		0		0		8,309,000		8,309,000		0
Real estate – owner occupied		62,000		0		50,000		112,000		86,843,000		86,955,000		0
Real estate – non-owner occupied		0		0		353,000		353,000		95,862,000		96,215,000		0
Real estate – multi-family and residential rental		0		0		17,000		17,000		67,821,000		67,838,000		0
Total com mercial		62,000		11,000		436,000		509,000		335,940,000		336,449,000		0
Retail:
Home equity and other		258,000		26,000		45,000		329,000		47,887,000		48,216,000		0
1- 4 family mortgages		1,255,000		467,000		439,000		2,161,000		107,246,000		109,407,000		0
Total retail		1,513,000		493,000		484,000		2,490,000		155,133,000		157,623,000		0
Total past due loans	$	1,575,000	$	504,000	$	920,000	$	2,999,000	$	491,073,000	$	494,072,000	$	0

Impaired Financing Receivables [Table Text Block]

	Unpaid Contractual Principal Balance		Recorded Principal Balance		Related Allowance	Year-To- Date Average Recorded Principal Balance
With no related allowance recorded:
Commercial:
Commercial and industrial	$	765,000	$	178,000		$	694,000
Vacant land, land development and residential construction		454,000		35,000			65,000
Real estate – owner occupied		1,528,000		1,452,000			442,000
Real estate – non-owner occupied		0		0			36,000
Real estate – multi-family and residential rental		349,000		349,000			221,000
Total commercial		3,096,000		2,014,000			1,458,000
Retail:
Home equity and other		693,000		680,000			526,000
1-4 family mortgages		1,126,000		456,000			596,000
Total retail		1,819,000		1,136,000			1,122,000
Total with no related allowance recorded	$	4,915,000	$	3,150,000		$	2,580,000

	Unpaid Contractual Principal Balance		Recorded Principal Balance		Related Allowance		Year-To- Date Average Recorded Principal Balance
With an allowance recorded:
Commercial:
Commercial and industrial	$	3,038,000	$	2,989,000	$	963,000	$	3,314,000
Vacant land, land development and residential construction		0		0		0		449,000
Real estate – owner occupied		1,409,000		1,391,000		239,000		1,663,000
Real estate – non-owner occupied		0		0		0		2,055,000
Real estate – multi-family and residential rental		0		0		0		429,000
Total commercial		4,447,000		4,380,000		1,202,000		7,910,000
Retail:
Home equity and other		1,225,000		1,147,000		652,000		922,000
1-4 family mortgages		165,000		110,000		13,000		122,000
Total retail		1,390,000		1,257,000		665,000		1,044,000
Total with an allowance recorded	$	5,837,000	$	5,637,000	$	1,867,000	$	8,954,000
Total impaired loans:
Commercial	$	7,543,000	$	6,394,000	$	1,202,000	$	9,368,000
Retail		3,209,000		2,393,000		665,000		2,166,000
Total impaired originated loans	$	10,752,000	$	8,787,000	$	1,867,000	$	11,534,000

	Unpaid Contractual Principal Balance		Recorded Principal Balance		Related Allowance	Year-To- Date Average Recorded Principal Balance
With no related allowance recorded:
Commercial:
Commercial and industrial	$	1,039,000	$	1,021,000		$	1,039,000
Vacant land, land development and residential construction		0		0			12,000
Real estate – owner occupied		1,027,000		659,000			1,005,000
Real estate – non-owner occupied		238,000		237,000			738,000
Real estate – multi-family and residential rental		237,000		218,000			408,000
Total commercial		2,541,000		2,135,000			3,202,000
Retail:
Home equity and other		694,000		507,000			417,000
1-4 family mortgages		2,703,000		2,153,000			1,885,000
Total retail		3,397,000		2,660,000			2,302,000
Total with no related allowance recorded	$	5,938,000	$	4,795,000		$	5,504,000

	Unpaid Contractual Principal Balance		Recorded Principal Balance		Related Allowance		Year-To- Date Average Recorded Principal Balance
With an allowance recorded:
Commercial:
Commercial and industrial	$	0	$	0	$	0	$	10,000
Vacant land, land development and residential construction		0		0		0		0
Real estate – owner occupied		0		0		0		38,000
Real est ate – non-owner occupied		0		0		0		0
Real est ate – multi-family and residential rental		0		0		0		0
Total commercial		0		0		0		48,000
Retail:
Home equity and other		0		0		0		0
1-4 fami ly mortgages		0		0		0		137,000
Total retail		0		0		0		137,000
Total with an allowance recorded	$	0	$	0	$	0	$	185,000
Total impaired loans:
Commercial	$	2,541,000	$	2,135,000	$	0	$	3,250,000
Retail		3,397,000		2,660,000		0		2,439,000
Total impaired acquired loans	$	5,938,000	$	4,795,000	$	0	$	5,689,000

	Unpaid Contractual Principal Balance		Recorded Principal Balance		Related Allowance	Year-To- Date Average Recorded Principal Balance
With no related allowance recorded:
Commercial:
Commercial and industrial	$	1,498,000	$	1,498,000		$	1,574,000
Vacant land, land development and residential construction		487,000		95,000			32,000
Real estate – owner occupied		0		0			270,000
Real estate – non-owner occupied		0		0			3,752,000
Real estate – multi-family and residential rental		130,000		130,000			43,000
Total commercial		2,115,000		1,723,000			5,671,000
Retail:
Home equity and other		114,000		114,000			99,000
1-4 family mortgages		1,270,000		630,000			813,000
Total retail		1,384,000		744,000			912,000
Total with no related allowance recorded	$	3,499,000	$	2,467,000		$	6,583,000

	Unpaid Contractual Principal Balance		Recorded Principal Balance		Related Allowance		Year-To- Date Average Recorded Principal Balance
With an allowance recorded:
Commercial:
Commercial and industrial	$	2,405,000	$	2,382,000	$	673,000	$	717,000
Vacant land, land development and residential construction		999,000		999,000		28,000		1,011,000
Real estate – owner occupied		906,000		906,000		97,000		2,095,000
Real estate – non-owner occupied		5,020,000		5,020,000		247,000		3,641,000
Real estate – multi-family and residential rental		1,040,000		1,040,000		258,000		812,000
Total commercial		10,370,000		10,347,000		1,303,000		8,276,000
Retail:
Home equity and other		434,000		412,000		203,000		449,000
1-4 family mortgages		204,000		157,000		66,000		144,000
Total retail		638,000		569,000		269,000		593,000
Total with an allowance recorded	$	11,008,000	$	10,916,000	$	1,572,000	$	8,869,000
Total impaired loans:
Commercial	$	12,485,000	$	12,070,000	$	1,303,000	$	13,947,000
Retail		2,022,000		1,313,000		269,000		1,505,000
Total impaired originated loans	$	14,507,000	$	13,383,000	$	1,572,000	$	15,452,000

	Unpaid Contractual Principal Balance		Recorded Principal Balance		Related Allowance	Year-To- Date Average Recorded Principal Balance
With no related allowance recorded:
Commercial:
Commercial and industrial	$	853,000	$	826,000		$	1,074,000
Vacant land, land development and residential construction		0		0			0
Real estate – owner occupied		1,281,000		1,210,000			1,145,000
Real estate – non-owner occupied		928,000		789,000			932,000
Real estate – multi-family and residential rental		152,000		89,000			303,000
Total commercial		3,214,000		2,914,000			3,454,000
Retail:
Home equity and other		531,000		351,000			389,000
1-4 family mortgages		2,081,000		1,629,000			1,562,000
Total retail		2,612,000		1,980,000			1,951,000
Total with no related allowance recorded	$	5,826,000	$	4,894,000		$	5,405,000

	Unpaid Contractual Principal Balance		Recorded Principal Balance		Related Allowance		Year-To- Date Average Recorded Principal Balance
With an allowance recorded:
Commercial:
Commercial and industrial	$	19,000	$	19,000	$	2,000	$	207,000
Vacant land, land development and residential construction		0		0		0		0
Real estate – owner occupied		48,000		48,000		3,000		38,000
Real est ate – non-owner occupied		0		0		0		0
Real est ate – multi-family and residential rental		0		0		0		5,000
Total commercial		67,000		67,000		5,000		250,000
Retail:
Home equity and other		0		0		0		0
1-4 fami ly mortgages		172,000		172,000		4,000		120,000
Total retail		172,000		172,000		4,000		120,000
Total with an allowance recorded	$	239,000	$	239,000	$	9,000	$	370,000
Total impaired loans:
Commercial	$	3,281,000	$	2,981,000	$	5,000	$	3,704,000
Retail		2,784,000		2,152,000		4,000		2,071,000
Total impaired acquired loans	$	6,065,000	$	5,133,000	$	9,000	$	5,775,000

Financing Receivable Credit Quality Indicators [Table Text Block]

	Commercial and Industrial		Commercial Vacant Land, Land Development, and Residential Construction		Commercial Real Estate - Owner Occupied		Commercial Real Estate - Non-Owner Occupied		Commercial Real Estate - Multi-Family and Residential Rental
Internal credit risk grade groupings:
Grades 1 – 4	$	469,537,000	$	15,090,000	$	326,700,000	$	559,388,000	$	42,951,000
Grades 5 – 7		189,851,000		8,557,000		123,024,000		149,135,000		21,552,000
Grades 8 – 9		21,417,000		35,000		6,341,000		301,000		349,000
Total commercial	$	680,805,000	$	23,682,000	$	456,065,000	$	708,824,000	$	64,852,000

	Commercial and Industrial		Commercial Vacant Land, Land Development, and Residential Construction		Commercial Real Estate - Owner Occupied		Commercial Real Estate - Non-Owner Occupied		Commercial Real Estate - Multi-Family and Residential Rental
Internal credit risk grade groupings:
Grades 1 – 4	$	46,263,000	$	1,446,000	$	28,706,000	$	52,674,000	$	17,499,000
Grades 5 – 7		25,654,000		4,745,000		39,565,000		30,102,000		19,212,000
Grades 8 – 9		1,042,000		0		1,992,000		85,000		355,000
Total commercial	$	72,959,000	$	6,191,000	$	70,263,000	$	82,861,000	$	37,066,000

	Commercial and Industrial		Commercial Vacant Land, Land Development, and Residential Construction		Commercial Real Estate - Owner Occupied		Commercial Real Estate - Non-Owner Occupied		Commercial Real Estate - Multi-Family and Residential Rental
Internal credit risk grade groupings:
Grades 1 – 4	$	440,219,000	$	16,378,000	$	238,890,000	$	542,294,000	$	29,793,000
Grades 5 – 7		190,170,000		10,046,000		123,517,000		109,304,000		19,082,000
Grades 8 – 9		6,382,000		95,000		1,102,000		456,000		1,170,000
Total commercial	$	636,771,000	$	26,519,000	$	363,509,000	$	652,054,000	$	50,045,000

	Commercial and Industrial		Commercial Vacant Land, Land Development, and Residential Construction		Commercial Real Estate - Owner Occupied		Commercial Real Estate - Non-Owner Occupied		Commercial Real Estate - Multi-Family and Residential Rental
Internal credit risk grade groupings:
Grades 1 – 4	$	40,911,000	$	1,887,000	$	36,246,000	$	57,671,000	$	39,574,000
Grades 5 – 7		35,233,000		6,164,000		49,255,000		37,040,000		28,015,000
Grades 8 – 9		988,000		258,000		1,454,000		1,504,000		249,000
Total commercial	$	77,132,000	$	8,309,000	$	86,955,000	$	96,215,000	$	67,838,000

Allowance for Credit Losses on Financing Receivables [Table Text Block]

	Commercial Loans			Retail Loans			Unallocated			Total
Allowance for loan losses:
Beginning balance	$	16,026,000		$	1,882,000		$	(40,000	)	$	17,868,000
Provision for loan losses		1,148,000			1,360,000			133,000			2,641,000
Charge-offs		(2,292,000	)		(891,000	)		0			(3,183,000	)
Recoveries		1,574,000			233,000			0			1,807,000
Ending balance	$	16,456,000		$	2,584,000		$	93,000		$	19,133,000
Ending balance: individually evaluated for impairment	$	1,202,000		$	665,000		$	0		$	1,867,000
Ending balance: collectively evaluated for impairment	$	15,254,000		$	1,919,000		$	93,000		$	17,266,000
Total loans:
Ending balance	$	1,934,228,000		$	235,729,000					$	2,169,957,000
Ending balance: individually evaluated for impairment	$	6,394,000		$	2,393,000					$	8,787,000
Ending balance: collectively evaluated for impairment	$	1,927,834,000		$	233,336,000					$	2,161,170,000

	Commercial Loans			Retail Loans			Unallocated		Total
Allowance for loan losses:
Beginning balance	$	75,000		$	18,000		$	0	$	93,000
Provision for loan losses		210,000			99,000			0		309,000
Charge-offs		(12,000	)		(40,000	)		0		(52,000	)
Recoveries		18,000			0			0		18,000
Ending balance	$	291,000		$	77,000		$	0	$	368,000

	Commercial Loans			Retail Loans			Unallocated			Total
Allowance for loan losses:
Beginning balance	$	13,672,000		$	1,421,000		$	140,000		$	15,233,000
Provision for loan losses		2,247,000			1,031,000			(180,000	)		3,098,000
Charge-offs		(980,000	)		(1,153,000	)		0			(2,133,000	)
Recoveries		1,087,000			583,000			0			1,670,000
Ending balance	$	16,026,000		$	1,882,000		$	(40,000	)	$	17,868,000
Ending balance: individually evaluated for impairment	$	1,303,000		$	269,000		$	0		$	1,572,000
Ending balance: collectively evaluated for impairment	$	14,723,000		$	1,613,000		$	(40,000	)	$	16,296,000
Total loans:
Ending balance	$	1,728,898,000		$	155,650,000					$	1,884,548,000
Ending balance: individually evaluated for impairment	$	12,070,000		$	1,313,000					$	13,383,000
Ending balance: collectively evaluated for impairment	$	1,716,828,000		$	154,337,000					$	1,871,165,000

	Commercial Loans			Retail Loans			Unallocated		Total
Allowance for loan losses:
Beginning balance	$	420,000		$	28,000		$	0	$	448,000
Provi sion for loan losses		(303,000	)		105,000			0		(198,000	)
Charg e-offs		0			(72,000	)		0		(72,000	)
Recov eries		(42,000	)		(43,000	)		0		(85,000	)
Ending balance	$	75,000		$	18,000		$	0	$	93,000

	Commercial Loans			Retail Loans			Unallocated		Total
Allowance for loan losses:
Beginning balance	$	17,736,000		$	1,487,000		$	76,000	$	19,299,000
Provision for loan losses		(1,771,000	)		1,006,000			64,000		(701,000	)
Charge-offs		(4,915,000	)		(1,280,000	)		0		(6,195,000	)
Recoveries		2,622,000			208,000			0		2,830,000
Ending balance	$	13,672,000		$	1,421,000		$	140,000	$	15,233,000
Ending balance: individually evaluated for impairment	$	1,218,000		$	256,000		$	0	$	1,474,000
Ending balance: collectively evaluated for impairment	$	12,454,000		$	1,165,000		$	140,000	$	13,759,000
Total loans:
Ending balance	$	1,493,516,000		$	123,071,000				$	1,616,587,000
Ending balance: individually evaluated for impairment	$	16,845,000		$	1,352,000				$	18,197,000
Ending balance: collectively evaluated for impairment	$	1,476,671,000		$	121,719,000				$	1,598,390,000

	Commercial Loans			Retail Loans			Unallocated		Total
Allowance for loan losses:
Beginning balance	$	738,000		$	4,000		$	0	$	742,000
Provision f or loan losses		(286,000	)		(13,000	)		0		(299,000	)
Charge-offs		(77,000	)		(7,000	)		0		(84,000	)
Recoveries		45,000			44,000			0		89,000
Ending balance	$	420,000		$	28,000		$	0	$	448,000

Troubled Debt Restructurings on Financing Receivables [Table Text Block]

			Pre-		Post-
			Modification		Modification
			Recorded		Recorded
	Number of		Principal		Principal
	Contracts		Balance		Balance
Originated Loans
Commercial:
Commercial and industrial		8	$	3,771,000	$	3,831,000
Vacant land, land development and residential construction		0		0		0
Real estate – owner occupied		4		1,195,000		1,195,000
Real estate – non-owner occupied		0		0		0
Real estate – multi-family and residential rental		0		0		0
Total commercial		12		4,966,000		5,026,000
Retail:
Home equity and other		8		670,000		671,000
1-4 family mortgages		0		0		0
Total retail		8		670,000		671,000
Total		20	$	5,636,000	$	5,697,000
Acquired Loans
Commercial:
Commercial and industrial		2	$	399,000	$	399,000
Vacant land, land development and residential construction		0		0		0
Real estate – owner occupied		1		33,000		33,000
Real estate – non-owner occupied		0		0		0
Real estate – multi-family and residential rental		0		0		0
Total c ommercial		3		432,000		432,000
Retail:
Home equity and other		7		192,000		195,000
1-4 family mortgages		4		200,000		200,000
Total r etail		11		392,000		395,000
Total		14	$	824,000	$	827,000

			Pre-		Post-
			Modification		Modification
			Recorded		Recorded
	Number of		Principal		Principal
	Contracts		Balance		Balance
Originated Loans
Commercial:
Commercial and industrial		8	$	1,445,000	$	2,103,000
Vacant land, land development and residential construction		0		0		0
Real estate – owner occupied		1		167,000		167,000
Real estate – non-owner occupied		1		462,000		462,000
Real estate – multi-family and residential rental		4		165,000		276,000
Total c ommercial		14		2,239,000		3,008,000
Retail:
Home equity and other		3		240,000		240,000
1-4 family mortgages		1		33,000		40,000
Total r etail		4		273,000		280,000
Total		18	$	2,512,000	$	3,288,000
Acquired Loans
Commercial:
Commercial and industrial		0	$	0	$	0
Vacant land, land development and residential construction		0		0		0
Real estate – owner occupied		3		739,000		739,000
Real estate – non-owner occupied		2		209,000		209,000
Real estate – multi-family and residential rental		1		7,000		7,000
Total c ommercial		6		955,000		955,000
Retail:
Home equity and other		4		93,000		94,000
1-4 family mortgages		1		19,000		19,000
Total r etail		5		112,000		113,000
Total		11	$	1,067,000	$	1,068,000

Troubled Debt Restructurings on Financing Receivables with in Previous Twelve Months that Became Over Thirty Days Past Due [Table Text Block]

	Number of Contracts		Recorded Principal Balance
Commercial:
Commercial and industrial		0	$	0
Vacant land, land development and residential construction		0		0
Real estate – owner occupied		0		0
Real estate – non-owner occupied		0		0
Real estate – multi-family and residential rental		0		0
Total commercial		0		0
Retail:
Home equity and other		0		0
1-4 family mortgages		0		0
Total retail		0		0
Total		0	$	0

	Number of Contracts		Recorded Principal Balance
Commercial:
Commercial and industrial		1	$	114,000
Vacant land, land development and residential construction		0		0
Real estate – owner occupied		0		0
Real estate – non-owner occupied		0		0
Real estate – multi-family and residential rental		0		0
Total commercial		1		114,000
Retail:
Home equity and other		2		102,000
1-4 family mortgages		0		0
Total retail		2		102,000
Total		3	$	216,000

	Number of Contracts		Recorded Principal Balance
Commercial:
Commercial and industrial		0	$	0
Vacant land, land development and residential construction		0		0
Real estate – owner occupied		0		0
Real estate – non-owner occupied		0		0
Real estate – multi-family and residential rental		0		0
Total commercial		0		0
Retail:
Home equity and other		0		0
1-4 family mortgages		0		0
Total retail		0		0
Total		0	$	0

	Number of Contracts		Recorded Principal Balance
Commercial:
Commercial and industrial		0	$	0
Vacant land, land development and residential construction		0		0
Real estate – owner occupied		0		0
Real estate – non-owner occupied		0		0
Real estate – multi-family and residential rental		0		0
Total commercial		0		0
Retail:
Home equity and other		0		0
1-4 family mortgages		0		0
Total retail		0		0
Total		0	$	0

Trouble Debt Restructuring Activity [Table Text Block]

	Commercial and			Commercial Vacant Land, Land Development, and Residential			Commercial Real Estate - Owner			Commercial Real Estate - Non-Owner			Commercial Real Estate - Multi-Family and Residential
	Industrial			Construction			Occupied			Occupied			Rental
Commercial Loan Portfolio:
Beginning Balance	$	1,503,000		$	1,488,000		$	906,000		$	5,110,000		$	716,000
Charge-Offs		0			0			0			0			0
Payments		(2,021,000	)		(1,105,000	)		(242,000	)		(232,000	)		(405,000	)
Transfers to ORE		0			0			0			0			0
Net Additions/Deletions		3,507,000			0			935,000			(4,878,000	)		(311,000	)
Ending Balance	$	2,989,000		$	383,000		$	1,599,000		$	0		$	0

	Retail Home Equity and Other			Retail 1-4 Family Mortgages
Retail Loan Portfolio:
Beginning Balance	$	385,000		$	157,000
Charge-Offs		0			0
Payments		(57,000	)		(11,000	)
Transfers to ORE		0			0
Net Additions/Deletions		799,000			0
Ending Balance	$	1,127,000		$	146,000

	Commercial and Industrial			Commercial Vacant Land, Land Development, and Residential Construction			Commercial Real Estate - Owner Occupied			Commercial Real Estate - Non-Owner Occupied			Commercial Real Estate - Multi-Family and Residential Rental
Comme rcial Loan Portfolio:
Be ginning Balance	$	1,125,000		$	0		$	900,000		$	728,000		$	60,000
Charge-Offs		0			0			(249,000	)		0			0
Payments		(550,000	)		(33,000	)		(257,000	)		(922,000	)		(1,084,000	)
Transfers to ORE		0			0			0			(291,000	)		0
Net Additions/Deletions		426,000			33,000			33,000			722,000			1,065,000
Ending Balance	$	1,001,000		$	0		$	427,000		$	237,000		$	41,000

	Retail Home Equity and Other			Retail 1-4 Family Mortgages
Retail Loan Portfolio:
Beginning Balance	$	208,000		$	326,000
Charge-Offs		(25,000	)		0
Payments		(121,000	)		(188,000	)
Transfers to ORE		0			0
Net Additions/Deletions		157,000			255,000
Ending Balance	$	219,000		$	393,000

	Commercial and			Commercial Vacant Land, Land Development, and Residential			Commercial Real Estate - Owner			Commercial Real Estate - Non-Owner			Commercial Real Estate - Multi-Family and Residential
	Industrial			Construction			Occupied			Occupied			Rental
Commercial Loan Portfolio:
Beginning Balance	$	2,028,000		$	2,086,000		$	1,400,000		$	10,657,000		$	476,000
Charge-Offs		0			0			0			0			0
Payments		(555,000	)		(598,000	)		(591,000	)		(6,004,000	)		(30,000	)
Transfers to ORE		0			0			0			0			0
Net Additions/Deletions		30,000			0			97,000			457,000			270,000
Ending Balance	$	1,503,000		$	1,488,000		$	906,000		$	5,110,000		$	716,000

	Retail Home Equity and Other			Retail 1-4 Family Mortgages
Retail Loan Portfolio:
Beginning Balance	$	146,000		$	128,000
Charge-Offs		0			0
Payments		(1,000	)		(11,000	)
Transfers to ORE		0			0
Net Additions/Deletions		240,000			40,000
Ending Balance	$	385,000		$	157,000

	Commercial and Industrial			Commercial Vacant Land, Land Development, and Residential Construction		Commercial Real Estate - Owner Occupied			Commercial Real Estate - Non-Owner Occupied			Commercial Real Estate - Multi-Family and Residential Rental
Commerci al Loan Portfolio:
Begin ning Balance	$	1,686,000		$	0	$	1,652,000		$	647,000		$	331,000
Charge-Offs		(48,000	)		0		0			0			0
Payments		(513,000	)		0		(1,514,000	)		(110,000	)		(278,000	)
Transfers to ORE		0			0		0			0			0
Net Additions/Deletions		0			0		762,000			191,000			7,000
Ending Balance	$	1,125,000		$	0	$	900,000		$	728,000		$	60,000

	Retail Home Equity and Other			Retail 1-4 Family Mortgages
Retail Loan Portfolio:
Beginning Balance	$	141,000		$	316,000
Charge-Offs		0			0
Payments		(30,000	)		(9,000	)
Transfers to ORE		0			0
Net Additions/Deletions		97,000			19,000
Ending Balance	$	208,000		$	326,000

	Commercial and			Commercial Vacant Land, Land Development, and Residential			Commercial Real Estate - Owner			Commercial Real Estate - Non-Owner			Commercial Real Estate - Multi-Family and Residential
	Industrial			Construction			Occupied			Occupied			Rental
Commercial Loan Portfolio:
Beginning Balance	$	7,026,000		$	2,680,000		$	17,160,000		$	17,439,000		$	505,000
Charge-Offs		0			0			(4,198,000	)		0			0
Payments		(6,648,000	)		(594,000	)		(11,562,000	)		(6,782,000	)		(29,000	)
Transfers to ORE		0			0			0			0			0
Net Additions/Deletions		1,650,000			0			0			0			0
Ending Balance	$	2,028,000		$	2,086,000		$	1,400,000		$	10,657,000		$	476,000

	Retail Home Equity and Other		Retail 1-4 Family Mortgages
Retail Loan Portfolio:
Beginning Balance	$	0	$	1,967,000
Charge-Offs		0		(148,000	)
Payments		0		(1,691,000	)
Transfers to ORE		0		0
Net Additions/Deletions		146,000		0
Ending Balance	$	146,000	$	128,000

	Commercial and Industrial			Commercial Vacant Land, Land Development, and Residential Construction		Commercial Real Estate - Owner Occupied			Commercial Real Estate - Non-Owner Occupied			Commercial Real Estate - Multi-Family and Residential Rental
Commercial Loan Portfolio:
Beginning Balance	$	1,439,000		$	0	$	1,569,000		$	64,000		$	381,000
Charge-Offs		0			0		(31,000	)		0			(42,000	)
Payments		(444,000	)		0		(590,000	)		(9,000	)		(342,000	)
Transfers to ORE		0			0		0			0			0
Net Additions/Deletions		691,000			0		704,000			592,000			334,000
Ending Balance	$	1,686,000		$	0	$	1,652,000		$	647,000		$	331,000

	Retail Home Equity and Other			Retail 1-4 Family Mortgages
Retail Loan Portfolio:
Beginning Balance	$	26,000		$	178,000
Charge-Offs		0			0
Payments		(39,000	)		(3,000	)
Transfers to ORE		0			0
Net Additions/Deletions		154,000			141,000
Ending Balance	$	141,000		$	316,000

Allowance Related to Loans Categorized as Troubled Debt Restructurings [Table Text Block]

	December 31, 201 7		December 31, 201 6
Commercial:
Commercial and industrial	$	107,000	$	9,000
Vacant land, land development, and residential construction		0		28,000
Real estate – owner occupied		141,000		100,000
Real estate – non-owner occupied		0		247,000
Real estate – multi-family and residential rental		0		258,000
Total commercial		248,000		642,000
Retail:
Home equity and other		196,000		48,000
1-4 family mortgages		0		4,000
Total retail		196,000		52,000
Total related allowance	$	444,000	$	694,000

Retail Portfolio Segment [Member]

Notes Tables

Financing Receivable Credit Quality Indicators [Table Text Block]

	Retail		Retail
	Home Equity		1-4 Family
	and Other		Mortgages
Total retail	$	69,675,000	$	166,054,000

	Retail		Retail
	Home Equity		1-4 Family
	and Other		Mortgages
Total retail	$	30,750,000	$	88,505,000

	Retail		Retail
	Home Equity		1-4 Family
	and Other		Mortgages
Total retail	$	69,831,000	$	85,819,000

	Retail		Retail
	Home Equity		1-4 Family
	and Other		Mortgages
Total retail	$	48,216,000	$	109,407,000