XML 90 R34.htm IDEA: XBRL DOCUMENT v3.19.3

Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2019

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Stock Option Activity

Stock option activity from January 1, 2019 to September 30, 2019 follows:

					Weighted
					Average
	Underlying				Exercise Price
	Shares				Per Share
Outstanding at January 1, 2019		5,501,150			$	19.63
Exercised		(700,000	)		$	13.17
Expired		(15,000	)		$	14.41
Outstanding at September 30, 2019		4,786,150			$	20.59
Exercisable at September 30, 2019		4,756,150			$	20.60

Restricted Stock Activity

Restricted stock activity from January 1, 2019 to September 30, 2019 follows:

					Weighted
					Average Grant
					Date Fair Value
	Shares				Per Share
Non-vested restricted stock outstanding at January 1, 2019		436,224			$	21.41
Vested		(319,444	)		$	21.35
Forfeited		(1,500	)		$	21.71
Non-vested restricted stock outstanding at September 30, 2019		115,280			$	21.59

Restricted Stock Unit Activity

Restricted stock unit activity from January 1, 2019 to September 30, 2019 follows:

									Weighted
									Average Grant
	Time				Performance				Date Fair Value
	Based				Based				Per Share
Non-vested restricted stock units outstanding at January 1, 2019		2,602,608				435,315			$	18.95
Granted		1,505,048				—			$	12.40
Vested		(986,774	)			(38,000	)		$	19.39
Forfeited		(232,170	)			—			$	17.67
Non-vested restricted stock units outstanding at September 30, 2019		2,888,712				397,315			$	15.90

Performance Units

The total target number of shares with respect to the Performance Units for the awards granted in 2015-2019 is set forth below:

	2019				2018				2017				2016				2015
	Performance				Performance				Performance				Performance				Performance
	Unit Awards				Unit Awards				Unit Awards				Unit Awards				Unit Awards
Target number of shares		489,800				310,700				186,198				185,000				190,600

Fair Value of Performance Units

The fair value of the Performance Units is set forth below (in thousands):

	2019				2018				2017				2016				2015
	Performance				Performance				Performance				Performance				Performance
	Unit Awards				Unit Awards				Unit Awards				Unit Awards				Unit Awards
Fair value at date of grant	$	9,958			$	8,004			$	5,780			$	3,854			$	4,052

Compensation Expense Associated with Performance Units

Compensation expense associated with the Performance Units is shown below (in thousands):

	2019				2018				2017				2016				2015
	Performance				Performance				Performance				Performance				Performance
	Unit Awards				Unit Awards				Unit Awards				Unit Awards				Unit Awards
Three months ended September 30, 2019	$	830			$	667			$	482			NA				NA
Three months ended September 30, 2018	NA				$	667			$	482			$	321			NA
Nine months ended September 30, 2019	$	1,660			$	2,001			$	1,445			$	321			NA
Nine months ended September 30, 2018	NA				$	1,334			$	1,445			$	963			$	338

X

- Definition

Share based compensation arrangement by share based payment award fair value.

+ References

No definition available.

+ Details

Name:	pten_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueTableTextBlock
Namespace Prefix:	pten_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the changes in outstanding nonvested restricted stock shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

Name:	us-gaap_NonvestedRestrictedStockSharesActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901

+ Details

Name:	us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the changes in outstanding nonvested performance-based units.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfNonvestedPerformanceBasedUnitsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the changes in outstanding nonvested restricted stock units.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration