Fair Values (Tables)

12 Months Ended

Dec. 31, 2021

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 of Assets and Liabilities Measured on a Recurring Basis:	Fair Value		Quoted Prices In Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
December 31, 2021
Assets:
Securities Available-for Sale:
U.S. Government & Agency Obligations	$	108,365	$	—	$	108,365	$	—
State and Municipal Obligations	400		—		400		—
Mortgage-Backed Securities	449,751		—		449,751		—
Corporate and Other Debt Securities	800		—		800		—
Total Securities Available-for-Sale	559,316		—		559,316		$	—
Equity Securities	1,747		—		1,747		—
Total Securities Measured on a Recurring Basis	561,063		—		561,063		—
Derivatives, included in other assets	2,083		—		2,083		—
Total Measured on a Recurring Basis	$	563,146	$	—	$	563,146	$	—
Liabilities:
Derivatives, included in other liabilities	$	2,083	$	—	$	2,083	$	—
Total Measured on a Recurring Basis	$	2,083	$	—	$	2,083	$	—
December 31, 2020
Assets:
Securities Available-for Sale:
U.S. Government & Agency Obligations	$	65,112	$	—	$	65,112	$	—
State and Municipal Obligations	528		—		528		—
Mortgage-Backed Securities	298,847		—		298,847		—
Corporate and Other Debt Securities	800		—		800		—
Total Securities Available-for-Sale	365,287		—		365,287		—
Equity Securities	1,636		—		1,636		—
Total Securities Measured on a Recurring Basis	366,923		—		366,923		—
Derivatives, included in other assets	5,080		—		5,080		—
Total Measured on a Recurring Basis	$	372,003	$	—	$	372,003	$	—
Liabilities:
Derivatives, included in other liabilities	$	5,080	$	—	$	5,080	$	—
Total Measured on a Recurring Basis	$	5,080	$	—	$	5,080	$	—

Fair Value of Assets and Liabilities Measured on a Nonrecurring Basis:	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
December 31, 2021
Collateral Dependent Impaired Loans	$	2,457	$	—	$	—	$	2,457	$	—
Other Real Estate Owned and Repossessed Assets, Net	126		—		—		126		—
December 31, 2020
Collateral Dependent Impaired Loans	$	594	$	—	$	—	$	594	$	—
Other Real Estate Owned and Repossessed Assets, Net	155		—		—		155		—

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
December 31, 2021
Cash and Cash Equivalents	$	457,696	$	457,696	$	457,696	$	—	$	—
Securities Available-for-Sale	559,316		559,316		—		559,316		—
Securities Held-to-Maturity	196,566		201,292		—		201,292		—
Equity Securities	1,747		1,747				1,747
Federal Home Loan Bank and Federal Reserve Bank Stock	5,380		5,380		—		5,380		—
Net Loans	2,640,660		2,618,311		—		—		2,618,311
Accrued Interest Receivable	7,384		7,384		—		7,384		—
Derivatives, included in other assets	2,083		2,083		—		2,083		—
Deposits	3,550,497		3,548,554		—		3,548,554		—
Federal Home Loan Bank Term Advances	45,000		45,518		—		45,518		—
Junior Subordinated Obligations Issued   to Unconsolidated Subsidiary Trusts	20,000		20,000		—		20,000		—
Accrued Interest Payable	138		138		—		138		—
Derivatives, included in other liabilities	2,083		2,083		—		2,083		—
December 31, 2020
Cash and Cash Equivalents	$	380,991	$	380,991	$	380,991	$	—	$	—
Securities Available-for-Sale	365,287		365,287		—		365,287		—
Securities Held-to-Maturity	218,405		226,576		—		226,576		—
Equity Securities	1,636		1,636				1,636
Federal Home Loan Bank and Federal Reserve Bank Stock	5,349		5,349		—		5,349		—
Net Loans	2,565,798		2,558,903		—		—		2,558,903
Accrued Interest Receivable	7,495		7,495		—		7,495		—
Derivatives, included in other assets	5,080		5,080		—		5,080		—
Deposits	3,234,726		3,234,387		—		3,234,387		—
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase	17,486		17,486		—		17,486		—
Federal Home Loan Bank Term Advances	45,000		46,474		—		46,474		—
Junior Subordinated Obligations Issued   to Unconsolidated Subsidiary Trusts	20,000		20,000		—		20,000		—
Accrued Interest Payable	326		326		—		326		—
Derivatives, included in other liabilities	5,080		5,080		—		5,080		—