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.

No definition available.

+ Details

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

- Definition

The total number of new claims filed pertaining to a loss contingency during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349

+ Details

Name:	us-gaap_LossContingencyNewClaimsFiledNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918638-209977

+ Details

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

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=pico_CaseyVVidlerWaterResourcesEtAlMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=pico_RabinovichVVidlerWaterResourcesIncEtcAlMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=pico_KohVVidlerWaterResourcesIncEtAlMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=pico_WilhelmVVidlerWaterResourcesIncEtAlMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=pico_WatermanVVidlerWaterResourcesIncEtAlMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=pico_WhitfieldVVidlerWaterResourcesIncEtAlMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=pico_TaylorVVidlerWaterResourcesIncAtAlMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Commitments and Contingencies - Narrative (Details) $ in Thousands					3 Months Ended
	May 13, 2022 case	May 12, 2022 case	May 06, 2022 case	May 02, 2022 case	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)
Loss Contingencies [Line Items]
Rent expense \| $					$ 39	$ 39
Subsequent Event \| Casey v Vidler Water Resources, et al
Loss Contingencies [Line Items]
Number of new claims filed				1
Subsequent Event \| Rabinovich v Vidler Water Resources, Inc, etc al
Loss Contingencies [Line Items]
Number of new claims filed				1
Subsequent Event \| Koh v Vidler Water Resources, Inc, et al
Loss Contingencies [Line Items]
Number of new claims filed			1
Subsequent Event \| Wilhelm v. Vidler Water Resources, Inc., et al
Loss Contingencies [Line Items]
Number of new claims filed		1
Subsequent Event \| Waterman v. Vidler Water Resources, Inc., et al
Loss Contingencies [Line Items]
Number of new claims filed		1
Subsequent Event \| Whitfield v. Vidler Water Resources, Inc., et al
Loss Contingencies [Line Items]
Number of new claims filed		1
Subsequent Event \| Taylor v. Vidler Water Resources, Inc., at al
Loss Contingencies [Line Items]
Number of new claims filed	1