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

9 Months Ended

Sep. 30, 2016

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

Summary of performance share grants with performance conditions

The following is a summary of the Company's performance share grants with performance conditions for the nine months ended September 30, 2016:

Performance Share Grants with Performance Conditions
Below threshold performance	—
Threshold performance	211,698
Target performance	389,357
Maximum performance	587,930

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 share grants for the following periods:

	September 30, 2016		December 31, 2015
Stock grants outstanding beginning of the year at target achievement	272,353		237,045
New stock grants/additional shares due to maximum achievement	257,753		114,221
Vested grants	(51,028	)	(52,436	)
Expired/forfeited grants	(524	)	(26,477	)
Stock grants outstanding September 30, 2016 at target achievement	478,554		272,353

Summary of stock compensation costs for Employee and NDSI Plans

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

($ in thousands)	Nine Months Ended September 30,
Employee Plan:	2016		2015
Expensed	$	2,747	$	2,321
Capitalized	211		121
	2,958		2,442
NDSI Plan - Expensed	550		593
Total Stock Compensation Costs	$	3,508	$	3,035