STOCK COMPENSATION - RESTRICTED STOCK AND PERFORMANCE SHARE GRANTS (Tables)

12 Months Ended

Dec. 31, 2022

Share-Based Payment Arrangement [Abstract]

Summary of Performance Share Grants with Performance Conditions

The following is a summary of the Company's performance share grants with performance conditions as of the year ended December 31, 2022:

Performance Share Grants with Performance Conditions
Target performance	173,377
Maximum performance	319,122

Summary of Stock Grant Activity

The following is a summary of the Company’s stock grant activity, both time and performance unit grants, assuming target achievement for outstanding performance grants for the following twelve-month periods ended:

	December 31, 2022	December 31, 2021	December 31, 2020
Stock Grants Outstanding Beginning of the Year at Target Achievement	683,645	840,307	409,373
New Stock Grants/Additional shares due to achievement in excess of target	180,034	63,622	797,364
Vested Grants	(384,112)	(196,328)	(307,250)
Expired/Forfeited Grants	(244,668)	(23,956)	(59,180)
Stock Grants Outstanding at Target Achievement	234,899	683,645	840,307

Summary of Assumptions Used to Determine The Price of Market-Based Performance Condition Grants

The following is a summary of the assumptions used to determine the fair value of the Company's market-based Performance Condition Grants outstanding for the year ended December 31, 2022:

($ in thousands except for share prices)
Grant date	03/11/2020	12/11/2020	03/18/2021	12/16/2021	03/17/2022
Vesting end	12/31/2022	12/31/2023	03/18/2024	12/16/2024	03/17/2025
Share price at target achievement	$16.36	$17.07	$20.02	$21.58	$20.43
Expected volatility	18.21%	29.25%	30.30%	31.29%	31.54%
Risk-free interest rate	0.58%	0.19%	0.33%	0.92%	2.13%
Simulated Monte Carlo share price	$5.87	$15.59	$18.82	$21.48	$21.75
Shares granted	81,716	3,628	10,905	3,536	13,338
Total fair value of award	$480	$57	$205	$76	$290

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 1998 Plan, and NDSI Plan for the following periods:

Employee 1998 Plan ($ in thousands):	December 31, 2022		December 31, 2021		December 31, 2020
Expensed	$	2,281	$	3,742	$	4,060
Capitalized	335		460		1,135
	2,616		4,202		5,195
NDSI Plan	596		529		434
	$	3,212	$	4,731	$	5,629