Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2013

Banking and Thrift [Abstract]

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]

Arrow’s and its subsidiary banks’, Glens Falls National Bank and Trust Company (“Glens Falls National”) and Saratoga National Bank and Trust Company (“Saratoga National”), actual capital amounts and ratios are presented in the table below as of December 31, 2013 and 2012:

	Actual				Minimum Amounts For Capital Adequacy Purposes				Minimum Amounts To Be Well-Capitalized
	Amount		Ratio		Amount		Ratio		Amount		Ratio
As of December 31, 2013:
Total Capital  (to Risk Weighted Assets):
Arrow	$	212,360	15.8	%	$	107,524	8.0	%	$	134,405	10.0	%
Glens Falls National	172,720		15.4	%	89,725		8.0	%	112,156		10.0	%
Saratoga National	33,396		14.8	%	18,052		8.0	%	22,565		10.0	%
Tier I Capital  (to Risk Weighted Assets):
Arrow	197,906		14.7	%	53,852		4.0	%	80,778		6.0	%
Glens Falls National	160,849		14.4	%	44,680		4.0	%	67,020		6.0	%
Saratoga National	30,833		13.7	%	9,002		4.0	%	13,504		6.0	%
Tier I Capital  (to Average Assets):
Arrow	197,906		9.2	%	86,046		4.0	%	86,046		4.0	%
Glens Falls National	160,849		8.8	%	73,113		4.0	%	91,391		5.0	%
Saratoga National	30,833		9.7	%	12,715		4.0	%	15,893		5.0	%

	Actual				Minimum Amounts For Capital Adequacy Purposes			Minimum Amounts To Be Well-Capitalized
	Amount		Ratio		Amount	Ratio		Amount	Ratio
As of December 31, 2012:
Total Capital  (to Risk Weighted Assets):
Arrow	$	200,480	16.3	%	98,395	8.0	%	122,994	10.0	%
Glens Falls National	164,889		16.2	%	81,427	8.0	%	101,783	10.0	%
Saratoga National	31,911		15.1	%	16,906	8.0	%	21,133	10.0	%
Tier I Capital  (to Risk Weighted Assets):
Arrow	185,170		15.0	%	49,379	4.0	%	74,068	6.0	%
Glens Falls National	152,205		14.9	%	40,860	4.0	%	61,291	6.0	%
Saratoga National	29,297		13.8	%	8,492	4.0	%	12,738	6.0	%
Tier I Capital  (to Average Assets):
Arrow	185,170		9.1	%	81,393	4.0	%	81,393	4.0	%
Glens Falls National	152,205		8.8	%	69,184	4.0	%	86,480	5.0	%
Saratoga National	29,297		9.4	%	12,467	4.0	%	15,584	5.0	%