XML 69 R55.htm IDEA: XBRL DOCUMENT v3.20.2

Cash Dividends (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Dividends Payable [Line Items]
Cash dividends paid, per share	$ 0.02		$ 0.04		$ 0.06	$ 0.08
Cash dividends paid	$ 3,735	$ 7,629	$ 8,344	$ 8,499	$ 11,364	$ 16,843
Installment 1, FY 2020
Dividends Payable [Line Items]
Cash dividends paid, date		Mar. 19, 2020
Cash dividends paid, per share		$ 0.04
Cash dividends paid		$ 7,629
Installment 2, FY 2020
Dividends Payable [Line Items]
Cash dividends paid, date	Jun. 18, 2020
Cash dividends paid, per share	$ 0.02
Cash dividends paid	$ 3,735
Installment 1, FY 2019
Dividends Payable [Line Items]
Cash dividends paid, date				Mar. 21, 2019
Cash dividends paid, per share				$ 0.04
Cash dividends paid				$ 8,499
Installment 2, FY 2019
Dividends Payable [Line Items]
Cash dividends paid, date			Jun. 20, 2019
Cash dividends paid, per share			$ 0.04
Cash dividends paid			$ 8,344

X

- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

+ Details

Name:	us-gaap_CommonStockDividendsPerShareCashPaid
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Date the declared dividend will be paid, in CCYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4304-108586

+ Details

Name:	us-gaap_DividendPayableDateToBePaidDayMonthAndYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

+ Details

Name:	us-gaap_DividendsCommonStockCash
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_DividendsAxis=pten_InstallmentOneFiscalYearTwoThousandTwentyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=pten_InstallmentTwoFiscalYearTwoThousandTwentyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=pten_InstallmentOneFiscalYearTwoThousandNineteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=pten_InstallmentTwoFiscalYearTwoThousandNineteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: