Stock Compensation - Restricted Stock and Performance Share Grants (Tables)

9 Months Ended

Sep. 30, 2019

Share-based Payment Arrangement [Abstract]

Summary of performance share grants with performance conditions

The following is a summary of the Company's Performance Condition Grants as of the nine months ended September 30, 2019:

Performance Condition Grants
Below threshold performance	—
Threshold performance	185,440
Target performance	420,412
Maximum performance	638,203

Summary of stock grant activity

The following is a summary of the Company’s stock grant activity, both time and performance share grants, assuming target achievement for outstanding performance grants for the nine months ended September 30, 2019:

	September 30, 2019
Stock Grants Outstanding Beginning of Period at Target Achievement	538,599
New Stock Grants/Additional Shares due to Achievement in Excess of Target	160,471
Vested Grants	(88,786	)
Expired/Forfeited Grants	(92,565	)
Stock Grants Outstanding End of Period at Target Achievement	517,719

Summary of stock compensation costs for Employee and NDSI Plans

The following table summarizes stock compensation costs for the Company's 1998 Stock Incentive Plan, or the Employee Plan, and NDSI Plan for the following periods:

($ in thousands)	Nine Months Ended September 30,
Employee Plan:	2019		2018
Expensed	$	1,523	$	2,072
Capitalized	520		812
	2,043		2,884
NDSI Plan - Expensed	407		529
Total Stock Compensation Costs	$	2,450	$	3,413