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v3.20.4

Bank Debt (Details) | 6 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2020 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Jul. 01, 2020 USD ($)
Bank debt |  |  |  |
Maximum borrowing capacity | $ 260,000,000.0 | $ 260,000,000.0 |  |
Line of Credit Facility, Current Borrowing Capacity | 200,000,000.0 | 200,000,000.0 |  |
Short-term borrowing activities (excluding letters of credit) |  |  |  |
Notes Payable to Bank | $ 134,200,000 | $ 134,200,000 |  |
Bear Valley Electric Service, Inc. |  |  |  |
Bank debt |  |  |  |
Maximum borrowing capacity |  |  |  | $ 35,000,000.0
Debt instrument, term | 3 years | 3 years |  |
Incremental expansion of borrowing capacity | $ 15,000,000.0 | $ 15,000,000.0 |  | $ 35,000,000.0
Notes Payable | 20,200,000 | 20,200,000 |  |
Long-term Debt [Member] |  |  |  |
Bank debt |  |  |  |
Notes Payable, Current | 134,200,000 | 134,200,000 | $ 205,000,000 |
Short-term borrowing activities (excluding letters of credit) |  |  |  |
Notes Payable, Current | $ 134,200,000 | 134,200,000 | $ 205,000,000 |
Short-term borrowing (excluding letters of credit) |  |  |  |
Bank debt |  |  |  |
Interest Rate at the end of the period (as a percent) |  |  | 2.44% |
Average Amount Outstanding |  | $ 162,995,000 | $ 167,392,000 |
Weighted Average Annual Interest Rate (as a percent) | 1.47% | 1.47% | 2.88% |
Maximum Amount Outstanding |  | $ 249,200,000 | $ 205,500,000 |
Short-term borrowing activities (excluding letters of credit) |  |  |  |
Weighted Average Annual Interest Rate (as a percent) | 1.47% | 1.47% | 2.88% |
Average Amount Outstanding |  | $ 162,995,000 | $ 167,392,000 |
Maximum Amount Outstanding |  | 249,200,000 | $ 205,500,000 |
Interest Rate at the end of the period (as a percent) |  |  | 2.44% |
Average amount outstanding |  | $ 162,995,000 | $ 167,392,000 |
Short-term borrowing (excluding letters of credit) | Minimum |  |  |  |
Bank debt |  |  |  |
Interest Rate at the end of the period (as a percent) | 1.19% | 1.19% |  |
Short-term borrowing activities (excluding letters of credit) |  |  |  |
Interest Rate at the end of the period (as a percent) | 1.19% | 1.19% |  |
Short-term borrowing (excluding letters of credit) | Maximum |  |  |  |
Bank debt |  |  |  |
Interest Rate at the end of the period (as a percent) | 1.90% | 1.90% |  |
Short-term borrowing activities (excluding letters of credit) |  |  |  |
Interest Rate at the end of the period (as a percent) | 1.90% | 1.90% |  |
Syndicated revolving credit facility |  |  |  |
Bank debt |  |  |  |
Variable rate basis |  | Euro rate |  |
Syndicated revolving credit facility | Bear Valley Electric Service, Inc. |  |  |  |
Bank debt |  |  |  |
Interest coverage ratio |  | 35.6 |  |
Total funded debt ratio |  | 0.24 |  |
Short-term borrowing activities (excluding letters of credit) |  |  |  |
Interest coverage ratio |  | 35.6 |  |
Total funded debt ratio |  | 0.24 |  |
Syndicated revolving credit facility | Minimum |  |  |  |
Bank debt |  |  |  |
Interest coverage ratio |  | 3.25 |  |
Short-term borrowing activities (excluding letters of credit) |  |  |  |
Interest coverage ratio |  | 3.25 |  |
Syndicated revolving credit facility | Maximum |  |  |  |
Bank debt |  |  |  |
Total funded debt ratio |  | 0.65 |  |
Short-term borrowing activities (excluding letters of credit) |  |  |  |
Total funded debt ratio |  | 0.65 |  |
AWR |  |  |  |
Bank debt |  |  |  |
Line of Credit Facility, Current Borrowing Capacity | $ 200,000,000.0 | $ 200,000,000.0 |  |
AWR | Long-term Debt [Member] |  |  |  |
Bank debt |  |  |  |
Notes Payable, Current | 114,000,000 | 114,000,000 | 205,000,000 |
Short-term borrowing activities (excluding letters of credit) |  |  |  |
Notes Payable, Current | $ 114,000,000 | $ 114,000,000 | $ 205,000,000 |
AWR | Short-term borrowing (excluding letters of credit) |  |  |  |
Bank debt |  |  |  |
Interest Rate at the end of the period (as a percent) | 1.19% | 1.19% | 2.44% |
Average Amount Outstanding |  | $ 160,495,000 | $ 167,392,000 |
Weighted Average Annual Interest Rate (as a percent) | 1.47% | 1.47% | 2.88% |
Maximum Amount Outstanding |  | $ 249,000,000 | $ 205,500,000 |
Short-term borrowing activities (excluding letters of credit) |  |  |  |
Weighted Average Annual Interest Rate (as a percent) | 1.47% | 1.47% | 2.88% |
Average Amount Outstanding |  | $ 160,495,000 | $ 167,392,000 |
Maximum Amount Outstanding |  | $ 249,000,000 | $ 205,500,000 |
Interest Rate at the end of the period (as a percent) | 1.19% | 1.19% | 2.44% |
Average amount outstanding |  | $ 160,495,000 | $ 167,392,000 |
AWR | Syndicated revolving credit facility |  |  |  |
Bank debt |  |  |  |
Interest coverage ratio |  | 7.74 |  |
Total funded debt ratio |  | 0.47 |  |
Short-term borrowing activities (excluding letters of credit) |  |  |  |
Interest coverage ratio |  | 7.74 |  |
Total funded debt ratio |  | 0.47 |  |
AWR | Syndicated revolving credit facility | Bear Valley Electric Service, Inc. |  |  |  |
Bank debt |  |  |  |
Total funded debt ratio |  | 0.65 |  |
Short-term borrowing activities (excluding letters of credit) |  |  |  |
Total funded debt ratio |  | 0.65 |  |
AWR | Syndicated revolving credit facility | Minimum |  |  |  |
Bank debt |  |  |  |
Interest coverage ratio |  | 3.25 |  |
Total funded debt ratio |  | 0.65 |  |
Short-term borrowing activities (excluding letters of credit) |  |  |  |
Interest coverage ratio |  | 3.25 |  |
Total funded debt ratio |  | 0.65 |  |
AWR | Syndicated revolving credit facility | Maximum |  |  |  |
Bank debt |  |  |  |
Total funded debt ratio |  | 1.00 |  |
Short-term borrowing activities (excluding letters of credit) |  |  |  |
Total funded debt ratio |  | 1.00 |  |
AWR | Syndicated revolving credit facility | Letters of credit |  |  |  |
Bank debt |  |  |  |
Maximum borrowing capacity | $ 25,000,000.0 | $ 25,000,000.0 |  |
Letter of credit, amount | $ 455,000 | $ 455,000 |  |
Letter of credit fee (as a percent) |  | 0.65% |  |

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