Employee Benefits (Tables)

12 Months Ended

Dec. 31, 2017

Summary of Workers' Compensation Known Claims and IBNR Reserves

Workers’ compensation known claims and IBNR reserves included on the Consolidated Balance Sheets were as follows (in thousands):


	As of December 31,
	2017		2016
Included in other current liabilities	$	5,899	$	4,595
Included in other long-term liabilities		8,721		7,052

	$	14,620	$	11,647

Schedule of Insurance Receivable for Claims

This receivable offsets an equal liability included within the reserve amounts noted above and was as follows (in thousands):


	As of December 31,
	2017		2016
Included in other non-current assets	$	1,826	$	1,249

Summary of Equity-based Awards for Employees

Amounts for each category of equity-based award for employees as of December 31, 2017 and changes during the twelve months ended December 31, 2017 were as follows:


	Common Stock Awards					Performance-Based Stock Awards				Performance-Based Restricted Stock Units
	Awards			Weighted Average Fair Market Value Per Share		Awards		Weighted Average Fair Market Value Per Share		Units			Weighted Average Fair Market Value Per Share
Nonvested awards/units at December 31, 2016		161,174		$	26.36		—	$	—		—		$	—
Granted		101,241			52.00		77,254		41.00		74,818			52.16
Vested		(58,302	)		26.43		—		—		—			—
Forfeited/Cancelled		(1,782	)		35.07		—		—		(2,818	)		52.00

Nonvested awards/units at December 31, 2017		202,331		$	39.09		77,254	$	41.00		72,000		$	52.16

Summary of Stock Compensation Expenses

During the twelve months ended December 31, 2017 and 2016, we recorded the following stock compensation expense, by income statement category (in thousands):


	2017		2016
Cost of sales	$	965	$	—
Selling		571		—
Administrative		5,055		1,894

	$	6,591	$	1,894