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

3 Months Ended

Mar. 31, 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 three months ended March 31, 2016:

Performance Share Grants with Performance Conditions
Below threshold performance	—
Threshold performance	205,712
Target performance	377,385
Maximum performance	569,972

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:

	March 31, 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	245,781		114,221
Vested grants	(36,028	)	(52,436	)
Expired/forfeited grants	(524	)	(26,477	)
Stock grants outstanding March 31, 2016 at target achievement	481,582		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)	Three Months Ended
Employee Plan:	March 31, 2016		March 31, 2015
Expensed	$	794	$	741
Capitalized	56		36
	850		777
NDSI Plan - Expensed	179		212
	$	1,029	$	989