Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2017

Fair Value Disclosures [Abstract]

Fair Value Measurements, Recurring and Nonrecurring

The table below presents the financial instrument's fair value and the amounts within the fair value hierarchy based on the lowest level of input that is significant to the fair value measurement:

Fair Value of Assets and Liabilities Measured on a Recurring and Nonrecurring Basis
			Fair Value Measurements at Reporting Date Using:
	Fair Value		Quoted Prices In Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Gains (Losses)
Fair Value of Assets and Liabilities Measured on a Recurring Basis:
September 30, 2017
Securities Available-for Sale:
U.S. Government & Agency Obligations	$	146,978	$	64,730	$	82,248	$	—
State and Municipal Obligations	11,902		—		11,902		—
Mortgage-Backed Securities - Residential	152,806		—		152,806		—
Corporate and Other Debt Securities	2,299		—		2,299		—
Mutual Funds and Equity Securities	1,474		—		1,474		—
Total Securities Available-for-Sale	$	315,459	$	64,730	$	250,729	$	—
December 31, 2016
Securities Available-for Sale:
U.S. Government & Agency Obligations	$	147,377	$	54,706	$	92,671	$	—
State and Municipal Obligations	27,690		—		27,690		—
Mortgage-Backed Securities - Residential	167,239		—		167,239		—
Corporate and Other Debt Securities	3,308		—		3,308		—
Mutual Funds and Equity Securities	1,382		—		1,382		—
Total Securities Available-for Sale	$	346,996	$	54,706	$	292,290	$	—
September 30, 2016
Securities Available-for Sale:
U.S. Government & Agency Obligations	$	153,926	$	—	$	153,926	$	—
State and Municipal Obligations	31,628		—		31,628		—
Mortgage-Backed Securities - Residential	148,087		—		148,087		—
Corporate and Other Debt Securities	4,299		—		4,299		—
Mutual Funds and Equity Securities	1,250		—		1,250		—
Total Securities Available-for Sale	$	339,190	$	—	$	339,190	$	—
Fair Value of Assets and Liabilities Measured on a Nonrecurring Basis:
September 30, 2017
Collateral Dependent Impaired Loans	$	1,502	$	—	$	—	$	1,502	$	(138	)
Other Real Estate Owned and Repossessed Assets, Net	1,713		—		—		1,713		(655		)
December 31, 2016
Collateral Dependent Impaired Loans	$	—	$	—	$	—	$	—	$	—
Other Real Estate Owned and Repossessed Assets, Net	$	1,686	$	—	—		1,686		$	(587	)
September 30, 2016
Collateral Dependent Impaired Loans	$	2,640	$	—	$	—	$	2,640	$	(240	)
Other Real Estate Owned and Repossessed Assets, Net	1,016		—		—		1,016		(319		)

Fair Value, by Balance Sheet Grouping

The following table presents a summary of the carrying amount, the fair value or an amount approximating fair value and the fair value hierarchy of Arrow’s financial instruments:

Schedule of Fair Values by Balance Sheet Grouping
					Fair Value Hierarchy
	Carrying Amount		Fair Value		Level 1		Level 2		Level 3
September 30, 2017
Cash and Cash Equivalents	$	80,666	$	80,666	$	80,666	$	—	$	—
Securities Available-for-Sale	315,459		315,459		64,730		250,729		—
Securities Held-to-Maturity	341,526		343,899		—		343,899		—
Federal Home Loan Bank and Federal   Reserve Bank Stock	6,704		6,704		—		6,704		—
Net Loans	1,891,104		1,870,379		—		—		1,870,379
Accrued Interest Receivable	7,692		7,692		—		7,692		—
Deposits	2,307,116		2,299,011		—		2,299,011		—
Federal Funds Purchased and Securities   Sold Under Agreements to Repurchase	61,419		61,419		—		61,419		—
Federal Home Loan Bank Overnight Advances	33,000		33,000		—		33,000		—
Federal Home Loan Bank Term Advances	55,000		55,110		—		55,110		—
Junior Subordinated Obligations Issued   to Unconsolidated Subsidiary Trusts	20,000		20,000		—		20,000		—
Accrued Interest Payable	260		260		—		260		—
December 31, 2016
Cash and Cash Equivalents	$	57,355	$	57,355	$	57,355	$	—	$	—
Securities Available-for-Sale	346,996		346,996		54,706		292,290		—
Securities Held-to-Maturity	345,427		343,751		—		343,751		—
Federal Home Loan Bank and Federal   Reserve Bank Stock	10,912		10,912		—		10,912		—
Net Loans	1,736,256		1,720,078		—		—		1,720,078
Accrued Interest Receivable	6,684		6,684		—		6,684		—
Deposits	2,116,546		2,109,557		—		2,109,557		—
Federal Funds Purchased and Securities   Sold Under Agreements to Repurchase	35,836		35,836		—		35,836		—
Federal Home Loan Bank Overnight Advances	123,000		123,000		—		123,000		—
Federal Home Loan Bank Term Advances	55,000		55,118		—		55,118		—
Junior Subordinated Obligations Issued   to Unconsolidated Subsidiary Trusts	20,000		20,000		—		20,000		—
Accrued Interest Payable	247		247		—		247		—
September 30, 2016
Cash and Cash Equivalents	$	102,059	$	102,059	$	102,059	$	—	$	—
Securities Available-for-Sale	339,190		339,190		—		339,190		—
Securities Held-to-Maturity	338,238		347,441		—		347,441		—
Federal Home Loan Bank and Federal   Reserve Bank Stock	5,371		5,371		—		5,371		—
Net Loans	1,690,241		1,696,929		—		—		1,696,929
Accrued Interest Receivable	7,046		7,046		—		7,046		—
Deposits	2,213,187		2,207,985		—		2,207,985		—
Federal Funds Purchased and Securities   Sold Under Agreements to Repurchase	38,589		38,589		—		38,589		—
Federal Home Loan Bank Overnight Advances	—		—		—		—		—
Federal Home Loan Bank Term Advances	55,000		55,955		—		55,955		—
Junior Subordinated Obligations Issued   to Unconsolidated Subsidiary Trusts	20,000		20,000		—		20,000		—
Accrued Interest Payable	247		247		—		247		—