Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(3)
-URI https://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 55
-Paragraph 69C
-URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 55
-Paragraph 69B
-URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1D
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611

Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Name:	us-gaap_LongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Debt - Syndicated Senior Secured Credit Facilities (Details) $ in Millions	1 Months Ended	12 Months Ended
	Oct. 31, 2022 rig	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Credit Facility [Abstract]
Book value of jackup rigs pledged as collateral for long-term debt facilities		$ 2,396.2	$ 2,730.8
New DNB Facility
Credit Facility [Abstract]
Number of jack-up rigs secured by mortgage \| rig	5
Book value of jackup rigs pledged as collateral for long-term debt facilities		443.6
Percentage covered for aggregate outstanding facility, amount			175.00%
Long-term debt		$ 150.0
New DNB Facility \| Period 1
Credit Facility [Abstract]
Minimum book equity ratio		20.00%
Minimum cash requirement		$ 15.0
New DNB Facility \| Period 1 \| Parent
Credit Facility [Abstract]
Minimum cash requirement		$ 10.0
New DNB Facility \| Period 2
Credit Facility [Abstract]
Minimum book equity ratio		25.00%
Minimum cash requirement		$ 75.0
New DNB Facility \| Period 2 \| Parent
Credit Facility [Abstract]
Minimum cash requirement		$ 50.0
New DNB Facility \| Period 3
Credit Facility [Abstract]
Minimum book equity ratio		35.00%