Guarantees (Tables)

6 Months Ended

Jun. 30, 2018

Guarantees [Abstract]

Schedule of Guarantor Obligations

The following table presents the notional amount and fair value of Arrow's off-balance sheet commitments to extend credit and commitments under standby letters of credit as of June 30, 2018, December 31, 2017 and June 30, 2017:

Commitments to Extend Credit and Letters of Credit
	June 30, 2018		December 31, 2017		June 30, 2017
Notional Amount:
Commitments to Extend Credit	$	324,173	$	315,256	$	290,818
Standby Letters of Credit	3,941		3,526		3,373
Fair Value:
Commitments to Extend Credit	$	—	$	—	$	—
Standby Letters of Credit	11		23		25