Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement, Noncash Expense [Abstract]

Schedule of Nonvested Share Activity

The following table summarizes the restricted stock award, deferred stock units, and performance unit award activity for the years ended December 31, 2020, 2019, and 2018:

	Restricted Stock	Deferred Stock Units	Performance Stock Units	Weighted Average Aggregate Grant Date Fair Value
Outstanding as of January 1, 2018	186,806	26,860	181,341	$	16.53
Granted	62,320	14,914	65,421	27.05
Vested	(36,876)	—	—	28.07
Adjustment for incentive awards	—	—	65,491	26.93
Canceled and forfeited	(20,425)	—	(11,880)	16.38
Outstanding as of January 1, 2019	191,825	41,774	300,373	$	18.61
Granted	62,125	12,304	89,092	18.63
Vested	(90,282)	—	—	19.61
Adjustment for incentive awards	—	—	(52,180)	24.30
Canceled and forfeited	(12,869)	—	(6,137)	20.79
Outstanding as of December 31, 2019	150,799	54,078	331,148	$	18.50
Granted	104,789	12,058	105,857	16.72
Vested	(73,260)	—	(163,224)	15.59
Adjustment for incentive awards	—	—	(96,364)	25.04
Canceled and forfeited	(10,394)	—	(27,395)	20.07
Outstanding as of December 31, 2020	171,934	66,136	150,022	$	18.05