Incentive Plan (Tables)

12 Months Ended

Dec. 31, 2015

Incentive Plan [Abstract]

Summary Of Stock Options

				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	280,000	$	19.05
Options granted	-		-
Options forfeited	-	$	-
Options exercised	(103,750)	$	6.98
Options expired	(1,250)	$	6.98
Outstanding, end of period	175,000	$	26.29	0.33	-
Exercisable, end of period	175,000	$	26.29	0.33	-
Vested or expected to vest, end of period	175,000	$	26.29	0.33	-

Summary Of Non-Vested Shares

		Weighted Average
	Number of	Grant Date Fair
	Shares	Value Per Share
Nonvested at beginning of period	2,193,671	$	19.56
Granted during period	888,104		7.54
2014 Performance shares adjustment during period	(163,603)		5.72
Vested during period	(934,636)		16.75
Forfeited during period	(16,160)		21.80
Nonvested at end of period	1,967,376	$	14.34