STOCK BASED AND DEFERRED COMPENSATION (Tables)

9 Months Ended

Sep. 30, 2020

Share-based Payment Arrangement [Abstract]

Summary of Compensation Expense and Stock Award Activity

Below is a summary of compensation expense and stock award activity (dollars in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Stock-based compensation expense	$	6,130	$	5,657	$	15,724	$	15,719
Non-vested shares granted	2,112		3,314		225,593		385,328
Performance-based non-vested shares granted	—		—		56,139		94,152
Performance-based shares issued in excess of target shares granted (1)	—		—		24,054		—
Restricted stock awards vested (includes performance-based awards)	8,610		32,369		413,016		435,292

(1)Performance-based shares that vested and were issued as a result of performance achievement exceeding the originally established targeted number of shares related to respective performance metrics.

Summary of Additional Information Regarding Stock Plan

The following table includes additional information regarding our Stock Plans (dollars in thousands):

	As of
	September 30, 2020		December 31, 2019
Unrecognized stock-based compensation cost	$	26,568	$	22,341
Weighted average years expense recognition period	2.27		1.70
Total equity awards outstanding (1)	1,101,671		1,240,529

(1)Includes unvested restricted stock, performance-based awards (assuming 100% payout) and restricted stock units.