Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 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:
March 31, 2017
Securities Available-for Sale:
U.S. Government & Agency Obligations	$	147,231	$	54,695	$	92,536	$	—
State and Municipal Obligations	25,507		—		25,507		—
Mortgage-Backed Securities - Residential	169,728		—		169,728		—
Corporate and Other Debt Securities	3,298		—		3,298		—
Mutual Funds and Equity Securities	1,395		—		1,395		—
Total Securities Available-for-Sale	$	347,159	$	54,695	$	292,464	$	—
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	$	—
March 31, 2016
Securities Available-for Sale:
U.S. Government & Agency Obligations	$	157,646	$	—	$	157,646	$	—
State and Municipal Obligations	49,543		—		49,543		—
Mortgage-Backed Securities - Residential	168,110		—		168,110		—
Corporate and Other Debt Securities	11,715		—		11,715		—
Mutual Funds and Equity Securities	1,233		—		1,233		—
Total Securities Available-for Sale	$	388,247	$	—	$	388,247	$	—
Fair Value of Assets and Liabilities Measured on a Nonrecurring Basis:
March 31, 2017
Collateral Dependent Impaired Loans	$	288	$	—	$	—	$	288	$	(34	)
Other Real Estate Owned and Repossessed Assets, Net	1,734		—		—		1,734		(500		)
December 31, 2016
Collateral Dependent Impaired Loans	$	—	$	—	$	—	$	—	$	—
Other Real Estate Owned and Repossessed Assets, Net	$	1,686	$	—	—		1,686		$	(587	)
March 31, 2016
Collateral Dependent Impaired Loans	$	1,703	$	—	$	—	$	1,703	$	(260	)
Other Real Estate Owned and Repossessed Assets, Net	2,011		—		—		2,011		(784		)

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
March 31, 2017
Cash and Cash Equivalents	$	64,803	$	64,803	$	64,803	$	—	$	—
Securities Available-for-Sale	347,159		347,159		54,695		292,464		—
Securities Held-to-Maturity	335,211		335,105		—		335,105		—
Federal Home Loan Bank and Federal   Reserve Bank Stock	6,826		6,826		6,826		—		—
Net Loans	1,793,589		1,773,895		—		—		1,773,895
Accrued Interest Receivable	7,530		7,530		7,530		—		—
Deposits	2,256,536		2,248,066		2,058,301		189,765		—
Federal Funds Purchased and Securities   Sold Under Agreements to Repurchase	32,035		32,035		32,035		—		—
Federal Home Loan Bank Overnight Advances	32,000		32,000		32,000		—		—
Federal Home Loan Bank Term Advances	55,000		55,130		—		55,130		—
Junior Subordinated Obligations Issued   to Unconsolidated Subsidiary Trusts	20,000		20,000		—		20,000		—
Accrued Interest Payable	240		240		240		—		—
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		1,917,233		192,324		—
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		—		—
March 31, 2016
Cash and Cash Equivalents	$	60,711	$	60,711	$	60,711	$	—	$	—
Securities Available-for-Sale	388,247		388,247		—		388,247		—
Securities Held-to-Maturity	315,284		324,337		—		324,337		—
Federal Home Loan Bank and Federal   Reserve Bank Stock	5,149		5,149		5,149		—		—
Net Loans	1,606,441		1,613,221		—		—		1,613,221
Accrued Interest Receivable	7,156		7,156		7,156		—		—
Deposits	2,115,061		2,109,546		1,925,905		183,641		—
Federal Funds Purchased and Securities   Sold Under Agreements to Repurchase	45,155		45,155		45,155		—		—
Federal Home Loan Bank Term Advances	55,000		56,630		—		56,630		—
Junior Subordinated Obligations Issued   to Unconsolidated Subsidiary Trusts	20,000		20,000		—		20,000		—
Accrued Interest Payable	227		227		227		—		—