Guarantees (Tables)

9 Months Ended

Sep. 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 September 30, 2018, December 31, 2017 and September 30, 2017:

Commitments to Extend Credit and Letters of Credit
	September 30, 2018		December 31, 2017		September 30, 2017
Notional Amount:
Commitments to Extend Credit	$	335,587	$	315,256	$	316,449
Standby Letters of Credit	4,016		3,526		3,672
Fair Value:
Commitments to Extend Credit	$	—	$	—	$	—
Standby Letters of Credit	4		23		18