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INCOME TAXES - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Deferred tax assets: |  |
Developer deposits for contributions in aid of construction | $ 31,777 | $ 29,491
Net operating loss carryforward and tax credits | 24,908 | 37,326
Pension liability | 13,570 | 12,031
Income tax regulatory liability | 26,565 | 41,151
Operating leases liabilities | 4,310 | 4,372
Other | 2,439 | 2,812
Total deferred tax assets | 103,569 | 127,183
Deferred tax liabilities: |  |
Property related basis and depreciation differences | 362,139 | 350,923
WRAM/MCBA and interim rates balancing accounts | 22,124 | 39,107
Operating lease-right to use asset | 4,286 | 4,362
Other | 13,965 | 8,823
Total deferred tax liabilities | 402,514 | 403,215
Net deferred tax liabilities | $ 298,945 | $ 276,032

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- Definition The tax effect as of the balance sheet date of the amount of the estimated future tax deductions attributable to developer deposits for extension agreements and contributions in aid of construction, which can only be realized if sufficient taxable income is generated in future periods to enable the deduction to be taken. + References No definition available. + Details
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