Commitments and Contingencies (Details)	1 Months Ended	3 Months Ended	12 Months Ended
	Feb. 28, 2015 participant	Jun. 30, 2014	Dec. 31, 2019 USD ($) a facility acre ft	Dec. 31, 2018 USD ($)	Dec. 31, 2013 acre ft	Jun. 03, 2010 a
Commitment and Contingencies Disclosure [Line Items]
Amount paid for water contracts			$ 10,027,000
Contract renewal optional term			35 years
Contractual obligation for future water payments			$ 269,065,000
Estimated future minimum annual payments			$ 800,000
Measurement period from entitlement achievement date		5 years
Number of community facility districts | facility			2
Letter of credit period			2 years
Letter of credit renewal period			2 years
Annual cost related to letter of credit			$ 239,000	$ 117,000
Special taxes paid			$ 2,569,000
Settled Litigation | Antelope Valley Groundwater Cases
Commitment and Contingencies Disclosure [Line Items]
Number of parties settled (more than) | participant	140
Percent of water used within the adjudication boundary	99.00%
West CFD
Commitment and Contingencies Disclosure [Line Items]
Acres of land related to land liens | a			420
Bond debt sold by TRPFFA			$ 28,620,000
Additional bond debt authorized to be sold in future			0
Additional reimbursement funds			$ 0
East CFD
Commitment and Contingencies Disclosure [Line Items]
Acres of land related to land liens | a			1,931
Bond debt sold by TRPFFA			$ 55,000,000
Additional bond debt authorized to be sold in future			65,000,000
Standby letter of credit
Commitment and Contingencies Disclosure [Line Items]
Letters of credit outstanding amount			4,468,000
Annual cost related to letter of credit			$ 68,000
DMB Pacific LLC
Commitment and Contingencies Disclosure [Line Items]
Contract renewal optional term			35 years
DMB Pacific LLC | Transferable water
Commitment and Contingencies Disclosure [Line Items]
Long-term water assets (Volume) | acre ft			6,693		6,693
Kern County Water Agency
Commitment and Contingencies Disclosure [Line Items]
Acres of Land Transferred | a						20,000