Loans (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	$ 323,669,000		$ 323,669,000		$ 304,161,000
Net deferred loan costs	481,000		481,000		589,000
Less allowance for loan losses	(4,433,000)		(4,433,000)		(3,980,000)
Loans receivable, net	319,717,000		319,717,000		300,770,000
Carrying value of loans pledged to FHLB of New York under blanket collateral agreement	62,300,000		62,300,000		65,800,000
Borrowings at the FHLBNY	29,000,000		29,000,000		20,000,000
Past due, Loans receivable [Abstract]
30 to 59 Days Past Due	3,353,000		3,353,000		5,990,000
60 to 89 Days Past Due	2,108,000		2,108,000		1,589,000
90 Days and Over	4,623,000		4,623,000		4,728,000
Total Past Due	10,084,000		10,084,000		12,307,000
Current	313,585,000		313,585,000		291,854,000
Total Loans Receivable	323,669,000		323,669,000		304,161,000
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	4,623,000		4,623,000		4,728,000
Recorded investment in new TDRs	1,100,000		1,100,000
Provisions	275,000	145,000	650,000	670,000
Pass [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	307,961,000		307,961,000		291,319,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	307,961,000		307,961,000		291,319,000
Special Mention [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	1,354,000		1,354,000		1,623,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	1,354,000		1,354,000		1,623,000
Substandard [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	14,196,000		14,196,000		11,089,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	14,196,000		14,196,000		11,089,000
Doubtful [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	158,000		158,000		130,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	158,000		158,000		130,000
Residential Mortgage Loans [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	171,649,000		171,649,000		162,319,000
Past due, Loans receivable [Abstract]
30 to 59 Days Past Due	1,838,000		1,838,000		2,870,000
60 to 89 Days Past Due	1,139,000		1,139,000		934,000
90 Days and Over	1,506,000		1,506,000		1,428,000
Total Past Due	4,483,000		4,483,000		5,232,000
Current	167,166,000		167,166,000		157,087,000
Total Loans Receivable	171,649,000		171,649,000		162,319,000
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	1,506,000		1,506,000		1,428,000
Residential Mortgage Loans [Member] | Pass [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	165,116,000		165,116,000		156,984,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	165,116,000		165,116,000		156,984,000
Residential Mortgage Loans [Member] | Special Mention [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	950,000		950,000		1,050,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	950,000		950,000		1,050,000
Residential Mortgage Loans [Member] | Substandard [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	5,583,000		5,583,000		4,285,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	5,583,000		5,583,000		4,285,000
Residential Mortgage Loans [Member] | Doubtful [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	0		0		0
Past due, Loans receivable [Abstract]
Total Loans Receivable	0		0		0
1-4 family first-lien residential mortgages [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	169,062,000		169,062,000		158,384,000
Past due, Loans receivable [Abstract]
30 to 59 Days Past Due	1,838,000		1,838,000		2,870,000
60 to 89 Days Past Due	1,139,000		1,139,000		934,000
90 Days and Over	1,506,000		1,506,000		1,428,000
Total Past Due	4,483,000		4,483,000		5,232,000
Current	164,579,000		164,579,000		153,152,000
Total Loans Receivable	169,062,000		169,062,000		158,384,000
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	1,506,000		1,506,000		1,428,000
1-4 family first-lien residential mortgages [Member] | Pass [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	162,529,000		162,529,000		153,049,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	162,529,000		162,529,000		153,049,000
1-4 family first-lien residential mortgages [Member] | Special Mention [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	950,000		950,000		1,050,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	950,000		950,000		1,050,000
1-4 family first-lien residential mortgages [Member] | Substandard [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	5,583,000		5,583,000		4,285,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	5,583,000		5,583,000		4,285,000
1-4 family first-lien residential mortgages [Member] | Doubtful [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	0		0		0
Past due, Loans receivable [Abstract]
Total Loans Receivable	0		0		0
Construction loans, residential mortgages [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	2,587,000		2,587,000		3,935,000
Past due, Loans receivable [Abstract]
30 to 59 Days Past Due	0		0		0
60 to 89 Days Past Due	0		0		0
90 Days and Over	0		0		0
Total Past Due	0		0		0
Current	2,587,000		2,587,000		3,935,000
Total Loans Receivable	2,587,000		2,587,000		3,935,000
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	0		0		0
Provisions	211,000
Construction loans, residential mortgages [Member] | Pass [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	2,587,000		2,587,000		3,935,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	2,587,000		2,587,000		3,935,000
Construction loans, residential mortgages [Member] | Special Mention [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	0		0		0
Past due, Loans receivable [Abstract]
Total Loans Receivable	0		0		0
Construction loans, residential mortgages [Member] | Substandard [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	0		0		0
Past due, Loans receivable [Abstract]
Total Loans Receivable	0		0		0
Construction loans, residential mortgages [Member] | Doubtful [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	0		0		0
Past due, Loans receivable [Abstract]
Total Loans Receivable	0		0		0
Commercial Loans [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	125,813,000		125,813,000		113,531,000
Past due, Loans receivable [Abstract]
30 to 59 Days Past Due	1,138,000		1,138,000		2,708,000
60 to 89 Days Past Due	608,000		608,000		471,000
90 Days and Over	2,342,000		2,342,000		2,594,000
Total Past Due	4,088,000		4,088,000		5,773,000
Current	121,725,000		121,725,000		107,758,000
Total Loans Receivable	125,813,000		125,813,000		113,531,000
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	2,342,000		2,342,000		2,594,000
Commercial Loans [Member] | Pass [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	118,882,000		118,882,000		107,913,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	118,882,000		118,882,000		107,913,000
Commercial Loans [Member] | Special Mention [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	48,000		48,000		350,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	48,000		48,000		350,000
Commercial Loans [Member] | Substandard [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	6,802,000		6,802,000		5,225,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	6,802,000		6,802,000		5,225,000
Commercial Loans [Member] | Doubtful [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	81,000		81,000		43,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	81,000		81,000		43,000
Commercial real estate [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	79,770,000		79,770,000		73,420,000
Past due, Loans receivable [Abstract]
30 to 59 Days Past Due	729,000		729,000		2,015,000
60 to 89 Days Past Due	46,000		46,000		4,000
90 Days and Over	1,526,000		1,526,000		1,623,000
Total Past Due	2,301,000		2,301,000		3,642,000
Current	77,469,000		77,469,000		69,778,000
Total Loans Receivable	79,770,000		79,770,000		73,420,000
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	1,526,000		1,526,000		1,623,000
Pre-modification recorded investment in new TDRs	564,000		564,000
Post-modification recorded investment in new TDRs	358,000		358,000
Commercial real estate [Member] | Pass [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	75,148,000		75,148,000		69,737,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	75,148,000		75,148,000		69,737,000
Commercial real estate [Member] | Special Mention [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	48,000		48,000		212,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	48,000		48,000		212,000
Commercial real estate [Member] | Substandard [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	4,574,000		4,574,000		3,471,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	4,574,000		4,574,000		3,471,000
Commercial real estate [Member] | Doubtful [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	0		0		0
Past due, Loans receivable [Abstract]
Total Loans Receivable	0		0		0
Lines of Credit, commercial [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	13,471,000		13,471,000		13,791,000
Past due, Loans receivable [Abstract]
30 to 59 Days Past Due	137,000		137,000		337,000
60 to 89 Days Past Due	500,000		500,000		75,000
90 Days and Over	238,000		238,000		467,000
Total Past Due	875,000		875,000		879,000
Current	12,596,000		12,596,000		12,912,000
Total Loans Receivable	13,471,000		13,471,000		13,791,000
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	238,000		238,000		467,000
Lines of Credit, commercial [Member] | Pass [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	12,325,000		12,325,000		12,579,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	12,325,000		12,325,000		12,579,000
Lines of Credit, commercial [Member] | Special Mention [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	0		0		49,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	0		0		49,000
Lines of Credit, commercial [Member] | Substandard [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	1,071,000		1,071,000		1,163,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	1,071,000		1,071,000		1,163,000
Lines of Credit, commercial [Member] | Doubtful [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	75,000		75,000		0
Past due, Loans receivable [Abstract]
Total Loans Receivable	75,000		75,000		0
Other commercial and industrial loans [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	27,509,000		27,509,000		22,701,000
Past due, Loans receivable [Abstract]
30 to 59 Days Past Due	272,000		272,000		356,000
60 to 89 Days Past Due	62,000		62,000		392,000
90 Days and Over	578,000		578,000		504,000
Total Past Due	912,000		912,000		1,252,000
Current	26,597,000		26,597,000		21,449,000
Total Loans Receivable	27,509,000		27,509,000		22,701,000
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	578,000		578,000		504,000
Pre-modification recorded investment in new TDRs	439,000		439,000
Post-modification recorded investment in new TDRs	468,000		468,000
Other commercial and industrial loans [Member] | Pass [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	26,346,000		26,346,000		21,978,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	26,346,000		26,346,000		21,978,000
Other commercial and industrial loans [Member] | Special Mention [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	0		0		89,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	0		0		89,000
Other commercial and industrial loans [Member] | Substandard [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	1,157,000		1,157,000		591,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	1,157,000		1,157,000		591,000
Other commercial and industrial loans [Member] | Doubtful [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	6,000		6,000		43,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	6,000		6,000		43,000
Municipal loans, commercial [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	5,063,000		5,063,000		3,619,000
Past due, Loans receivable [Abstract]
30 to 59 Days Past Due	0		0		0
60 to 89 Days Past Due	0		0		0
90 Days and Over	0		0		0
Total Past Due	0		0		0
Current	5,063,000		5,063,000		3,619,000
Total Loans Receivable	5,063,000		5,063,000		3,619,000
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	0		0		0
Municipal loans, commercial [Member] | Pass [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	5,063,000		5,063,000		3,619,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	5,063,000		5,063,000		3,619,000
Municipal loans, commercial [Member] | Special Mention [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	0		0		0
Past due, Loans receivable [Abstract]
Total Loans Receivable	0		0		0
Municipal loans, commercial [Member] | Substandard [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	0		0		0
Past due, Loans receivable [Abstract]
Total Loans Receivable	0		0		0
Municipal loans, commercial [Member] | Doubtful [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	0		0		0
Past due, Loans receivable [Abstract]
Total Loans Receivable	0		0		0
Consumer Loans [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	26,207,000		26,207,000		28,311,000
Past due, Loans receivable [Abstract]
30 to 59 Days Past Due	377,000		377,000		412,000
60 to 89 Days Past Due	361,000		361,000		184,000
90 Days and Over	775,000		775,000		706,000
Total Past Due	1,513,000		1,513,000		1,302,000
Current	24,694,000		24,694,000		27,009,000
Total Loans Receivable	26,207,000		26,207,000		28,311,000
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	775,000		775,000		706,000
Consumer Loans [Member] | Pass [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	23,963,000		23,963,000		26,422,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	23,963,000		23,963,000		26,422,000
Consumer Loans [Member] | Special Mention [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	356,000		356,000		223,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	356,000		356,000		223,000
Consumer Loans [Member] | Substandard [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	1,811,000		1,811,000		1,579,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	1,811,000		1,811,000		1,579,000
Consumer Loans [Member] | Doubtful [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	77,000		77,000		87,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	77,000		77,000		87,000
Home equity and junior liens, consumer loans [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	22,580,000		22,580,000		24,171,000
Past due, Loans receivable [Abstract]
30 to 59 Days Past Due	334,000		334,000		357,000
60 to 89 Days Past Due	313,000		313,000		182,000
90 Days and Over	737,000		737,000		550,000
Total Past Due	1,384,000		1,384,000		1,089,000
Current	21,196,000		21,196,000		23,082,000
Total Loans Receivable	22,580,000		22,580,000		24,171,000
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	737,000		737,000		550,000
Pre-modification recorded investment in new TDRs	279,000		279,000
Post-modification recorded investment in new TDRs	279,000		279,000
Home equity and junior liens, consumer loans [Member] | Pass [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	20,614,000		20,614,000		22,500,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	20,614,000		20,614,000		22,500,000
Home equity and junior liens, consumer loans [Member] | Special Mention [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	165,000		165,000		162,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	165,000		165,000		162,000
Home equity and junior liens, consumer loans [Member] | Substandard [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	1,752,000		1,752,000		1,456,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	1,752,000		1,752,000		1,456,000
Home equity and junior liens, consumer loans [Member] | Doubtful [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	49,000		49,000		53,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	49,000		49,000		53,000
Consumer other financing receivable [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	3,627,000		3,627,000		4,140,000
Past due, Loans receivable [Abstract]
30 to 59 Days Past Due	43,000		43,000		55,000
60 to 89 Days Past Due	48,000		48,000		2,000
90 Days and Over	38,000		38,000		156,000
Total Past Due	129,000		129,000		213,000
Current	3,498,000		3,498,000		3,927,000
Total Loans Receivable	3,627,000		3,627,000		4,140,000
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	38,000		38,000		156,000
Consumer other financing receivable [Member] | Pass [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	3,349,000		3,349,000		3,922,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	3,349,000		3,349,000		3,922,000
Consumer other financing receivable [Member] | Special Mention [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	191,000		191,000		61,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	191,000		191,000		61,000
Consumer other financing receivable [Member] | Substandard [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	59,000		59,000		123,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	59,000		59,000		123,000
Consumer other financing receivable [Member] | Doubtful [Member]
Notes, Loans and Financing Receivable, Net [Abstract]
Loans, gross	28,000		28,000		34,000
Past due, Loans receivable [Abstract]
Total Loans Receivable	$ 28,000		$ 28,000		$ 34,000