Loans (Narrative) (Details)	3 Months Ended			9 Months Ended		12 Months Ended
	Sep. 30, 2019 USD ($) Loan	Jun. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) loan Loan	Sep. 30, 2018 USD ($)	Dec. 31, 2018 USD ($) loan Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan loss	$ 11,252,000			$ 11,252,000		$ 10,976,000
Loans and leases receivable, allowance percentage	(0.79%)			(0.79%)		(0.81%)
Net deferred costs (fees)	$ 1,691,000			$ 1,691,000		$ 1,183,000
Deferred loan fees and premiums include net deferred fees paid by customers	3,200,000			3,200,000		3,100,000
Offset by net deferred premiums paid to purchase loans	$ 4,900,000			$ 4,900,000		$ 4,300,000
Total number of loans | Loan	40			40		38
Non- accrual delinquent loans	$ 11,715,000			$ 11,715,000		$ 11,152,000
Total non-accrual loans	(15,433,000)			(15,433,000)		(19,282,000)
Reserve for delinquent non accrual loans	1,400,000			1,400,000		978,000
Increase In non accrual loans			$ 10,100,000			14,600,000
Loans receivable	$ 1,415,417,000		1,307,737,000	$ 1,415,417,000	$ 1,307,737,000	$ 1,346,922,000
Percentage status of loan in portfolio	100.00%			100.00%		100.00%
Charge-offs	$ 144,000		219,000	$ 1,219,000	963,000
Unpaid contractual principal balance	28,263,000		36,063,000	28,263,000	36,063,000	$ 37,208,000
Total recorded investment	28,036,000		35,548,000	28,036,000	35,548,000	36,880,000
Loans, carrying amount	1,405,856,000			1,405,856,000		1,337,129,000
Non-accrual current loans	3,718,000			3,718,000		8,130,000
Past Due	13,925,000			13,925,000		$ 12,244,000
PCI Loans, accretion interest	$ 242,000		161,000	$ 624,000	635,000
Number of TDR loans | Loan				8		13
Number of accrual TDR loans | Loan	6			6		12
Financing receivable post modification recorded investment	$ 2,073,000			$ 2,073,000		$ 6,705,000
Accrual TDR loans	655,000			655,000		6,676,000
Reclassification from (to) nonaccretable difference	0	$ 156,000	0		0	134,000
Other changes, net	$ 0		0	$ 11,000	0	$ 313,000
Twelve Loans And Four Customer Relationships [Member] [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total number of loans | Loan	14			14
Percentage status of non accrual loans				84.00%
Increase (decrease) in finance receivables				$ 12,900,000
Thirteen Loans Representing Four Customer Relationships [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total number of loans | Loan						13
Percentage status of non accrual loans						79.00%
Increase (decrease) in finance receivables						$ 15,300,000
Financing Receivable Troubled Debt Restructuring [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Increase (decrease) in finance receivables				(4,600,000)
TDR loan principal curtailment						176,000
One Troubled Debt Restructuring Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-accrual loans	$ (1,400,000)			$ (1,400,000)		(29,000)
Number of TDR loans | loan				3
Financing receivable post modification recorded investment	$ 100,000			$ 100,000
Seven Troubled Debt Restructuring Loans with Reserves [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Specific reserves for TDR loans						$ 165,000
Number of TDR loans | loan						1
Financing receivable post modification recorded investment						$ 1,600,000
Seven Trouble Debt Restructuring Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans removed from troubled debt restructuring | loan						3
Amount of loans removed from troubled debt restructuring						$ 3,900,000
Nonaccrual Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Decrease In non accrual loans						$ 3,800,000
Total number of loans | Loan	40			40		38
Increase (decrease) in finance receivables				$ 15,400,000		$ 19,300,000
Percentage status of loan in portfolio	1.09%			1.09%		1.43%
Nonaccrual Loans With No Impairment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non- accrual delinquent loans	$ 3,700,000			$ 3,700,000		$ 8,100,000
Total non-accrual loans	(9,800,000)			$ (9,800,000)		$ (17,400,000)
Percentage of current loans on total non accrual loans				24.00%		42.00%
Interest due to debt				$ 209,000		$ 456,000
Nonaccrual Loans With Impairment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non- accrual delinquent loans	11,700,000			11,700,000		11,200,000
Total non-accrual loans	(5,600,000)			$ (5,600,000)		$ (1,900,000)
Percentage of delinquent loans on total non accrual loans				76.00%		58.00%
Interest due to debt				$ 302,000		$ 81,000
Unrated [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	344,850,000			344,850,000		333,349,000
Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	1,043,596,000			1,043,596,000		981,347,000
Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 26,971,000			$ 26,971,000		$ 32,226,000
Residential Rentals Portfolio Segment [Member] | Minimum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Debt maturity period				3 years
Residential Rentals Portfolio Segment [Member] | Maximum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Debt maturity period				20 years
Commercial Real Estate Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total number of loans | Loan	14			14		17
Non- accrual delinquent loans	$ 10,256,000			$ 10,256,000		$ 8,474,000
Total non-accrual loans	(11,859,000)			(11,859,000)		(14,632,000)
Loans receivable	$ 932,344,000		847,945,000	$ 932,344,000	847,945,000	$ 878,016,000
Percentage status of loan in portfolio	65.86%			65.86%		65.18%
Charge-offs	$ 144,000		32,000	$ 148,000	268,000
Unpaid contractual principal balance	21,159,000		26,588,000	21,159,000	26,588,000	$ 27,835,000
Total recorded investment	20,974,000		26,225,000	20,974,000	26,225,000	27,540,000
Non-accrual current loans	1,603,000			1,603,000		6,158,000
Past Due	10,255,000			$ 10,255,000		$ 9,151,000
Number of TDR loans | Loan				4		7
Financing receivable post modification recorded investment	1,438,000			$ 1,438,000		$ 5,612,000
Commercial Real Estate Portfolio Segment [Member] | Unrated [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	103,996,000			103,996,000		112,280,000
Commercial Real Estate Portfolio Segment [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	806,267,000			806,267,000		741,037,000
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 22,081,000			$ 22,081,000		$ 24,699,000
Commercial Real Estate Portfolio Segment [Member] | Commercial Construction Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage status of loan in portfolio	8.40%			8.40%		5.90%
Residential First Mortgages Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan loss	$ 11,300,000			$ 11,300,000		$ 11,000,000
Total number of loans | Loan	4			4		5
Non- accrual delinquent loans	$ 146,000			$ 146,000		$ 146,000
Total non-accrual loans	(987,000)			(987,000)		(1,374,000)
Increase (decrease) in finance receivables				28,100,000		11,000,000
Loans receivable	$ 163,727,000		156,565,000	$ 163,727,000	156,565,000	$ 156,709,000
Percentage status of loan in portfolio	11.57%			11.57%		11.63%
Charge-offs			2,000		115,000
Unpaid contractual principal balance	$ 2,089,000		2,655,000	$ 2,089,000	2,655,000	$ 2,527,000
Total recorded investment	2,089,000		2,616,000	2,089,000	2,616,000	2,527,000
Non-accrual current loans	841,000			841,000		1,228,000
Past Due	146,000			$ 146,000		$ 212,000
Number of TDR loans | Loan				1		1
Financing receivable post modification recorded investment	64,000			$ 64,000		$ 66,000
Residential First Mortgages Portfolio Segment [Member] | Adjustable Rate Residential First Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 53,300,000			$ 53,300,000		$ 54,200,000
Percentage status of loan in portfolio	3.80%			3.80%		4.00%
Residential First Mortgages Portfolio Segment [Member] | Minimum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Debt maturity period				10 years
Residential First Mortgages Portfolio Segment [Member] | Maximum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Debt maturity period				30 years
Residential Rentals Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total number of loans | Loan	5			5		5
Non- accrual delinquent loans	$ 0			$ 0		$ 260,000
Total non-accrual loans	(956,000)			(956,000)		(963,000)
Loans receivable	$ 121,170,000		125,383,000	$ 121,170,000	125,383,000	$ 124,298,000
Percentage status of loan in portfolio	8.56%			8.56%		9.23%
Charge-offs			54,000	$ 53,000	54,000
Unpaid contractual principal balance	$ 956,000		1,431,000	956,000	1,431,000	$ 1,745,000
Total recorded investment	956,000		1,377,000	956,000	1,377,000	1,745,000
Non-accrual current loans	956,000			956,000		703,000
Past Due	317,000			$ 317,000		$ 313,000
Number of TDR loans | Loan				0		1
Financing receivable post modification recorded investment	0			$ 0		$ 216,000
Residential Rentals Portfolio Segment [Member] | 1-4 Family Units [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	91,600,000			91,600,000		96,600,000
Residential Rentals Portfolio Segment [Member] | Apartment Buildings Rentals [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	29,600,000			29,600,000		27,700,000
Residential Rentals Portfolio Segment [Member] | Adjustable Rate Residential Rentals [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 100,600,000			$ 100,600,000		$ 97,400,000
Percentage status of loan in portfolio	7.10%			7.10%		7.20%
Residential Rentals Portfolio Segment [Member] | Minimum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Debt maturity period				3 years
Residential Rentals Portfolio Segment [Member] | Maximum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Debt maturity period				20 years
Residential Rentals Portfolio Segment [Member] | Unrated [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 39,187,000			$ 39,187,000		$ 37,478,000
Residential Rentals Portfolio Segment [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	81,317,000			81,317,000		85,551,000
Residential Rentals Portfolio Segment [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	666,000			666,000		1,269,000
Construction And Land Development Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 30,774,000		28,788,000	$ 30,774,000	28,788,000	$ 29,705,000
Percentage status of loan in portfolio	2.17%			2.17%		2.21%
Charge-offs	$ 0			$ 329,000
Unpaid contractual principal balance	0		729,000	0	729,000	$ 729,000
Total recorded investment	0		729,000	$ 0	729,000	$ 729,000
Number of TDR loans | Loan				0		2
Financing receivable post modification recorded investment	0			$ 0		$ 729,000
Construction And Land Development Portfolio Segment [Member] | Unrated [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	1,654,000			1,654,000		2,172,000
Construction And Land Development Portfolio Segment [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	29,120,000			29,120,000		26,805,000
Construction And Land Development Portfolio Segment [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable						728,000
Home Equity And Second Mortgages Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 36,182,000			$ 36,182,000		$ 35,561,000
Percentage status of loan in portfolio	2.56%			2.56%		2.64%
Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total number of loans | Loan	2			2		2
Non- accrual delinquent loans	$ 822,000			$ 822,000		$ 866,000
Total non-accrual loans	(822,000)			(822,000)		(866,000)
Loans receivable	$ 69,179,000		62,083,000	$ 69,179,000	62,083,000	$ 71,680,000
Percentage status of loan in portfolio	4.89%			4.89%		5.32%
Charge-offs			(2,000)		86,000
Unpaid contractual principal balance	$ 2,641,000		2,784,000	$ 2,641,000	2,784,000	$ 2,762,000
Total recorded investment	2,629,000		2,773,000	2,629,000	2,773,000	2,751,000
Past Due	2,629,000			$ 2,629,000		$ 866,000
Number of TDR loans | Loan				0		1
Financing receivable post modification recorded investment	0			$ 0		$ 53,000
Commercial Portfolio Segment [Member] | Unrated [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	17,792,000			17,792,000		19,157,000
Commercial Portfolio Segment [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	48,758,000			48,758,000		49,828,000
Commercial Portfolio Segment [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	2,629,000			2,629,000		2,695,000
Consumer Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 937,000		730,000	$ 937,000	730,000	$ 751,000
Percentage status of loan in portfolio	0.07%			0.07%		0.06%
Charge-offs			1,000	$ 4,000	2,000
Unpaid contractual principal balance			1,000		1,000	$ 1,000
Total recorded investment			1,000		1,000
Past Due	$ 1,000			$ 1,000		$ 5,000
Commercial Equipment Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total number of loans | Loan	7			7		7
Non- accrual delinquent loans	$ 280,000			$ 280,000		$ 1,259,000
Total non-accrual loans	(288,000)			(288,000)		(1,300,000)
Loans receivable	$ 61,104,000		49,883,000	$ 61,104,000	49,883,000	$ 50,202,000
Percentage status of loan in portfolio	4.32%			4.32%		3.73%
Charge-offs			132,000	$ 685,000	431,000
Unpaid contractual principal balance	$ 830,000		1,577,000	830,000	1,577,000	$ 1,315,000
Total recorded investment	811,000		1,534,000	811,000	1,534,000	1,299,000
Non-accrual current loans	8,000			8,000		41,000
Past Due	286,000			$ 286,000		$ 1,284,000
Number of TDR loans | Loan				3		1
Financing receivable post modification recorded investment	571,000			$ 571,000		$ 29,000
Commercial Equipment Portfolio Segment [Member] | Unrated [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	24,390,000			24,390,000		15,373,000
Commercial Equipment Portfolio Segment [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	36,504,000			36,504,000		33,685,000
Commercial Equipment Portfolio Segment [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	210,000			210,000		1,144,000
31 - 60 Days [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past Due	1,850,000			1,850,000		305,000
31 - 60 Days [Member] | Commercial Real Estate Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past Due	0			0		0
31 - 60 Days [Member] | Residential Rentals Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past Due	0			0		13,000
31 - 60 Days [Member] | Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past Due	1,807,000			1,807,000
31 - 60 Days [Member] | Consumer Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past Due						1,000
31 - 60 Days [Member] | Commercial Equipment Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past Due	38,000			38,000		25,000
61 - 89 Days [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past Due	402,000			402,000		829,000
61 - 89 Days [Member] | Commercial Real Estate Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past Due	0			0		677,000
61 - 89 Days [Member] | Residential First Mortgages Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past Due	0			0		66,000
61 - 89 Days [Member] | Residential Rentals Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past Due	317,000			317,000		53,000
61 - 89 Days [Member] | Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past Due	3,000			3,000
61 - 89 Days [Member] | Consumer Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past Due	1,000			1,000		4,000
61 - 89 Days [Member] | Commercial Equipment Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past Due	5,000			5,000		29,000
90 or Greater Days [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past Due	11,673,000			11,673,000		11,110,000
90 or Greater Days [Member] | Commercial Real Estate Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past Due	10,255,000			10,255,000		8,474,000
90 or Greater Days [Member] | Residential First Mortgages Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past Due	146,000			146,000		146,000
90 or Greater Days [Member] | Residential Rentals Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past Due	0			0		247,000
90 or Greater Days [Member] | Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past Due	819,000			819,000		866,000
90 or Greater Days [Member] | Commercial Equipment Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past Due	243,000			243,000		1,230,000
Loan Delinquency [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-accrual loans	$ (13,900,000)			$ (13,900,000)		(12,200,000)
Decrease in loan delinquency						$ 1,700,000
Percentage status of loan in portfolio	0.98%			0.98%		0.91%
Performing Financial Instruments [Member] | Residential First Mortgages Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 163,581,000			$ 163,581,000		$ 156,563,000
Performing Financial Instruments [Member] | Consumer Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	937,000			937,000		751,000
Nonperforming Financial Instruments [Member] | Residential First Mortgages Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	146,000			146,000		146,000
PCI Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 2,803,000		3,511,000	$ 2,803,000	3,511,000	3,220,000
Percentage status of loan in portfolio	0.15%			0.15%
Unpaid contractual principal balance	$ 3,400,000			$ 3,400,000
Total recorded investment	2,800,000			2,800,000		3,200,000
Loans, carrying amount	2,803,000			2,803,000		3,220,000
PCI Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	1,732,000		1,463,000	1,732,000	1,463,000	1,785,000
PCI Loans [Member] | Residential First Mortgages Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	451,000		468,000	451,000	468,000	466,000
PCI Loans [Member] | Residential Rentals Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	317,000		1,261,000	317,000	1,261,000	897,000
PCI Loans [Member] | Construction And Land Development Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable			$ 0		$ 0
PCI Loans [Member] | Home Equity And Second Mortgages Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	303,000			303,000		72,000
All Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan loss	11,252,000			11,252,000		10,976,000
Net deferred costs (fees)	1,691,000			1,691,000		1,183,000
Loans receivable	1,412,614,000			1,412,614,000		1,343,702,000
Loans, carrying amount	1,403,053,000			1,403,053,000		1,333,909,000
All Other Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	930,612,000			930,612,000		876,231,000
All Other Loans [Member] | Residential First Mortgages Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	163,276,000			163,276,000		156,243,000
All Other Loans [Member] | Residential Rentals Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	120,853,000			120,853,000		123,401,000
All Other Loans [Member] | Construction And Land Development Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	30,774,000			30,774,000		29,705,000
All Other Loans [Member] | Home Equity And Second Mortgages Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	35,879,000			35,879,000		35,489,000
All Other Loans [Member] | Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	69,179,000			69,179,000		71,680,000
All Other Loans [Member] | Consumer Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	937,000			937,000		751,000
All Other Loans [Member] | Commercial Equipment Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	61,104,000			61,104,000		50,202,000
County First Acquisition [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 85,432,000			$ 85,432,000		$ 106,887,000
Percentage status of loan in portfolio	6.04%			6.04%		7.94%
County First Acquisition [Member] | PCI Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 2,803,000			$ 2,803,000		$ 3,220,000
Percentage status of loan in portfolio	0.20%			0.20%		0.24%
County First Acquisition [Member] | All Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 82,629,000			$ 82,629,000		$ 103,667,000
Percentage status of loan in portfolio	5.84%			5.84%		7.70%
County First Bank Acquisition [Member] | PCI Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
New acquisition accounting for fair market value adjustment	$ 597,000			$ 597,000		$ 696,000
Net acquisition accounting fair Market value adjustment, mark	17.56%			17.56%		17.77%
County First Bank Acquisition [Member] | All Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
New acquisition accounting for fair market value adjustment	$ 1,300,000			$ 1,300,000		$ 1,900,000
Net acquisition accounting fair Market value adjustment, mark	1.61%			1.61%		1.76%