Stock Based Compensation (Tables)

6 Months Ended

Jun. 30, 2020

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Stock Option Plans

A summary of activity under United’s stock option plans as of June 30, 2020, and the changes during the first six months of 2020 are presented below:

	Six Months Ended June 30, 2020
						Weighted Average
				Aggregate		Remaining
				Intrinsic		Contractual		Exercise
	Shares			Value		Term (Yrs.)		Price
Outstanding at January 1, 2020		1,715,316						$	34.49
Assumed in Carolina Financial merger		117,116							12.14
Granted		183,551							32.51
Exercised		(14,994	)						20.48
Forfeited or expired		(8,915	)						28.47
Outstanding at June 30, 2020		1,992,074		$	2,513		5.5	$	33.13
Exercisable at June 30, 2020		1,446,719		$	2,513		4.4	$	31.67

Status of United's Nonvested Stock Option Awards

The following table summarizes the status of United’s nonvested stock option awards during the first six months of 2020:

	Shares			Weighted-Average Grant Date Fair Value Per Share
Nonvested at January 1, 2020		589,737		$	7.62
Granted		183,551			5.65
Vested		(225,582	)		7.68
Forfeited or expired		(2,351	)		7.32
Nonvested at June 30, 2020		545,355		$	6.93

Changes to United's Restricted Common Shares

The following summarizes the changes to United’s restricted common shares for the period ended June 30, 2020:

	Number of Shares			Weighted-Average Grant Date Fair Value Per Share
Outstanding at January 1, 2020		247,896		$	39.20
Granted		175,495			32.51
Vested		(88,671	)		39.32
Forfeited		(946	)		36.58
Outstanding at June 30, 2020		333,774		$	35.66