Fair Values (Tables)

6 Months Ended

Jun. 30, 2019

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)
Fair Value of Assets and Liabilities Measured on a Recurring Basis:
June 30, 2019
Securities Available-for Sale:
U.S. Government & Agency Obligations	$	17,524	$	—	$	17,524	$	—
State and Municipal Obligations	967		—		967		—
Mortgage-Backed Securities	266,587		—		266,587		—
Corporate and Other Debt Securities	800		—		800		—
Total Securities Available-for-Sale	285,878		—		285,878		—
Equity Securities	1,850		—		1,850		—
Total Securities Measured on a Recurring Basis	$	287,728	$	—	$	287,728	$	—
December 31, 2018
Securities Available-for Sale:
U.S. Government & Agency Obligations	$	46,765	$	—	$	46,765	$	—
State and Municipal Obligations	1,195		—		1,195		—
Mortgage-Backed Securities	268,775		—		268,775		—
Corporate and Other Debt Securities	800		—		800		—
Total Securities Available-for-Sale	317,535				317,535
Equity Securities	1,774		—		1,774		—
Total Securities Measured on a Recurring Basis	$	319,309	$	—	$	319,309	$	—
June 30, 2018
Securities Available-for Sale:
U.S. Government & Agency Obligations	$	59,615	$	—	$	59,615	$	—
State and Municipal Obligations	3,383		—		3,383		—
Mortgage-Backed Securities	261,589		—		261,589		—
Corporate and Other Debt Securities	800		—		800		—
Total Securities Available-for-Sale	325,387				325,387
Equity Securities	1,802		—		1,802		—
Total Securities Measured on a Recurring Basis	$	327,189	$	—	$	327,189	$	—

	Fair Value		Quoted Prices In Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Gains (Losses) Recognized in Earnings
Fair Value of Assets and Liabilities Measured on a Nonrecurring Basis:
June 30, 2019
Collateral Dependent Impaired Loans	$	37	$	—	$	—	$	37
Other Real Estate Owned and Repossessed Assets, Net	1,373		—		—		1,373		(164	)
December 31, 2018
Collateral Dependent Impaired Loans	$	—	$	—	$	—	$	—
Other Real Estate Owned and Repossessed Assets, Net	1,260		—		—		1,260		(132	)
June 30, 2018
Collateral Dependent Impaired Loans	$	747	$	—	$	—	$	747
Other Real Estate Owned and Repossessed Assets, Net	1,487		—		—		1,487		(85	)

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 Value		Fair Value		Level 1		Level 2		Level 3
June 30, 2019
Cash and Cash Equivalents	$	62,695	$	62,695	$	62,695	$	—	$	—
Securities Available-for-Sale	285,878		285,878		—		285,878		—
Securities Held-to-Maturity	262,541		266,068		—		266,068		—
Equity Securities	1,850		1,850		—		1,850		—
Federal Home Loan Bank and Federal   Reserve Bank Stock	8,202		8,202		—		8,202		—
Net Loans	2,259,613		2,218,244		—		—		2,218,244
Accrued Interest Receivable	7,491		7,491		—		7,491		—
Deposits	2,503,753		2,499,849		—		2,499,849		—
Federal Funds Purchased and Securities   Sold Under Agreements to Repurchase	51,149		51,149		—		51,149		—
Federal Home Loan Bank Overnight Advances	83,000		83,000		—		83,000		—
Federal Home Loan Bank Term Advances	30,000		29,943		—		29,943		—
Junior Subordinated Obligations Issued   to Unconsolidated Subsidiary Trusts	20,000		20,000		—		20,000		—
Accrued Interest Payable	1,187		1,187		—		1,187		—
December 31, 2018
Cash and Cash Equivalents	$	84,239	$	84,239	$	84,239	$	—	$	—
Securities Available-for-Sale	317,535		317,535		—		317,535		—
Securities Held-to-Maturity	283,476		280,338		—		280,338		—
Equity Securities	1,774		1,774				1,774
Federal Home Loan Bank and Federal   Reserve Bank Stock	15,506		15,506		—		15,506		—
Net Loans	2,176,019		2,114,372		—		—		2,114,372
Accrued Interest Receivable	7,035		7,035		—		7,035		—
Deposits	2,345,584		2,338,410		—		2,338,410		—
Federal Funds Purchased and Securities   Sold Under Agreements to Repurchase	54,659		54,659		—		54,659		—
Federal Home Loan Bank Overnight Advances	234,000		234,000		—		234,000		—
Federal Home Loan Bank Term Advances	45,000		44,652		—		44,652		—
Junior Subordinated Obligations Issued   to Unconsolidated Subsidiary Trusts	20,000		20,000		—		20,000		—
Accrued Interest Payable	570		570		—		570		—
June 30, 2018
Cash and Cash Equivalents	$	60,741	$	60,741	$	60,741	$	—	$	—
Securities Available-for-Sale	325,387		325,387		—		325,387		—
Securities Held-to-Maturity	297,885		292,605		—		292,605		—
Equity Securities	1,802		1,802		—		1,802
Federal Home Loan Bank and Federal   Reserve Bank Stock	11,089		11,089		—		11,089		—
Net Loans	2,038,222		1,971,756		—		—		1,971,756

Schedule of Fair Values by Balance Sheet Grouping
			Fair Value Hierarchy
	Carrying Value	Fair Value	Level 1	Level 2	Level 3
Accrued Interest Receivable	6,729	6,729	—	6,729	—
Deposits	2,304,781	2,295,796	—	2,295,796	—
Federal Funds Purchased and Securities   Sold Under Agreements to Repurchase	60,248	60,248	—	60,248	—
Federal Home Loan Bank Overnight Advances	136,000	136,000	—	136,000	—
Federal Home Loan Bank Term Advances	45,000	44,495	—	44,495	—
Junior Subordinated Obligations Issued   to Unconsolidated Subsidiary Trusts	20,000	20,000	—	20,000	—
Accrued Interest Payable	540	540	—	540	—