COVID-19 Pandemic	6 Months Ended
Jun. 30, 2020
Unusual or Infrequent Items, or Both [Abstract]
COVID-19 Pandemic	COVID-19 PANDEMICThe outbreak of the novel coronavirus (COVID-19) pandemic has impacted the global economy, including the banking sector and many industries in which our customers operate, in a variety of significant ways. For further discussion of the impact COVID-19 has had and may in the future have on Arrow and its financial results and operations, please refer to the risk factor included in Item 8.01 of Arrow's Current Report on Form 8-K filed April 24, 2020.

The entire disclosure for an event or transaction that is unusual in nature or infrequent in occurrence, or both.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 20
-URI http://asc.fasb.org/subtopic&trid=114868817

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