Incentive Plan (Tables)

12 Months Ended

Dec. 31, 2017

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

The following table reflects the summary of stock options outstanding at December 31, 2017:



					Weighted
			Weighted		Average	Aggregate
	Number of		Average		Remaining	Intrinsic
	Options		Exercise		Contractual	Value
	Granted		Price		Term (Years)	(000's)
Non-statutory stock options:
Outstanding, beginning of period	323,770		$	36.55
Options granted	333,484		41.80
Options forfeited	(2,158	)	$	36.55
Options exercised	—		$	—
Options expired	(1,080	)	$	36.55
Outstanding, end of period	654,016		$	39.23	9.07	—
Exercisable, end of period	109,019		$	36.55	8.98	—
Vested or expected to vest, end of period	544,997		$	39.76	9.09	—

Summary of Non-Vested Shares

A summary of the status of Basic’s non-vested RSU grants at December 31, 2017 and changes during the year ended December 31, 2017 is presented in the following table:



			Weighted Average
	Number of		Grant Date Fair
	Units		Value Per Unit
Nonvested at beginning of period	539,606		$	36.55
Granted during period	860,402		41.37
Vested during period	(300,300	)	35.93
Forfeited during period	(2,698	)	36.55
Nonvested at end of period	1,097,010		$	40.50