Nature of Operations and Significant Accounting Policies (Details) Revenue Recognition (Land O'Lakes)	12 Months Ended
Dec. 31, 2012
Land O'Lakes
Commitments made by purchaser, guarantee of sale of plant output, percentage of output	100.00%
Commitments made by purchaser, guarantee of sale of plant output, length of guarantee	5 years

Commitments Made by Purchaser, Guarantee of Sale of Plant Output, Length of Guarantee

No definition available.

Name:	pico_CommitmentsMadeByPurchaserGuaranteeOfSaleOfPlantOutputLengthOfGuarantee
Namespace Prefix:	pico_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration