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Commitments and Contingencies (Details) |  | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Nov. 10, 2009 defendant | Feb. 28, 2015 participant | Mar. 31, 2015 USD ($) | Jun. 30, 2015 USD ($) a aft facility | Dec. 31, 2014 USD ($) aft
Commitment and Contingencies Disclosure [Line Items] |  |  |  |  |
Future minimum payments due |  |  |  | $ 7,900,000 |
Long-term water assets (volume) | aft |  |  |  | 49,018 | 49,461
Estimated future payments |  |  |  | $ 800,000 |
Number of community facility districts | facility |  |  |  | 2 |
Letter of credit period |  |  |  | 2 years |
Letter of credit renewal period |  |  |  | 2 years |
Special taxes paid |  |  |  |  | $ 933,000
Standby letter of credit |  |  |  |  |
Commitment and Contingencies Disclosure [Line Items] |  |  |  |  |
Letters of credit outstanding amount |  |  |  | $ 5,426,000 |
Annual cost related to letter of credit |  |  |  | $ 83,000 |
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 |
Letters of credit outstanding amount |  |  |  | $ 39,750,000 |
Additional bond debt authorized to be sold in future |  |  |  | $ 80,250,000 |
Proceeds from additional reimbursement funds |  |  | $ 4,971,000 |  |
Transferable water |  |  |  |  |
Commitment and Contingencies Disclosure [Line Items] |  |  |  |  |
Long-term water assets (volume) | aft |  |  |  | 22,179 |
Transferable water | DMB |  |  |  |  |
Commitment and Contingencies Disclosure [Line Items] |  |  |  |  |
Long-term water assets (volume) | aft |  |  |  | 6,693 |
Affiliated Entity |  |  |  |  |
Commitment and Contingencies Disclosure [Line Items] |  |  |  |  |
Number of defendants | defendant | 2 |  |  |  |
Settled Litigation | Antelope Valley Groundwater Cases |  |  |  |  |
Commitment and Contingencies Disclosure [Line Items] |  |  |  |  |
Number of parties settled, more than | participant |  | 140 |  |  |
Loss Contingency, Settlement, Percent of Water Use Within the Adjudication Boundary |  | 99.00% |  |  |
KWBA | TCWD |  |  |  |  |
Commitment and Contingencies Disclosure [Line Items] |  |  |  |  |
Percentage of interest rate held |  |  |  | 2.00% |

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