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Leases (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2019 | Dec. 31, 2018
Lessee, Lease, Description [Line Items] |  |  |
Renewal option range | 10 years | 10 years |
Operating lease cost | $ 18,534 | $ 36,696 |
Variable lease cost | 47,381 | 91,465 |
Total lease cost | 65,915 | 128,161 |
Cash paid for amounts included in the measurement of lease liabilities: |  |  |
Cash paid for amounts included in the measurement of lease liabilities—Operating cash flows from operating leases | $ 16,922 | $ 34,546 |
Weighted-average remaining lease term—operating leases (in years) | 3 years 9 months 18 days | 3 years 9 months 18 days |
Weighted-average discount rate—operating leases | 4.01% | 4.01% |
Operating Lease Liabilities, Payments Due [Abstract] |  |  |
2019 (remaining months) | $ 37,000 | $ 37,000 |
2020 | 73,000 | 73,000 |
2021 | 71,000 | 71,000 |
2022 | 47,000 | 47,000 |
2023 | 4,000 | 4,000 |
2024 | 3,000 | 3,000 |
Thereafter | 8,000 | 8,000 |
Total lease payments | 243,000 | 243,000 |
Less: Imputed interest | (17,000) | (17,000) |
Operating lease liabilities | 225,865 | 225,865 |
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] |  |  |
2019 |  |  | $ 74,000
2020 |  |  | 72,000
2021 |  |  | 71,000
2022 |  |  | 47,000
2023 |  |  | 4,000
Thereafter |  |  | 12,000
Total lease payments |  |  | 280,000
Other leases |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Operating lease cost | 3,056 | 5,740 |
Variable lease cost | 3,396 | 6,200 |
Total lease cost | 6,452 | 11,940 |
Cash paid for amounts included in the measurement of lease liabilities: |  |  |
Cash paid for amounts included in the measurement of lease liabilities—Operating cash flows from operating leases | $ 2,593 | $ 5,179 |
Weighted-average remaining lease term—operating leases (in years) | 6 years 7 months 6 days | 6 years 7 months 6 days |
Weighted-average discount rate—operating leases | 3.70% | 3.70% |
Operating Lease Liabilities, Payments Due [Abstract] |  |  |
2019 (remaining months) | $ 5,000 | $ 5,000 |
2020 | 10,000 | 10,000 |
2021 | 8,000 | 8,000 |
2022 | 5,000 | 5,000 |
2023 | 4,000 | 4,000 |
2024 | 3,000 | 3,000 |
Thereafter | 8,000 | 8,000 |
Total lease payments | 43,000 | 43,000 |
Less: Imputed interest | (5,000) | (5,000) |
Operating lease liabilities | 38,000 | 38,000 |
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] |  |  |
2019 |  |  | 11,000
2020 |  |  | 9,000
2021 |  |  | 8,000
2022 |  |  | 5,000
2023 |  |  | 4,000
Thereafter |  |  | 12,000
Total lease payments |  |  | 49,000
PPAs classified as leases |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Operating lease cost | 15,478 | 30,956 |
Variable lease cost | 43,985 | 85,265 |
Total lease cost | 59,463 | 116,221 |
Cash paid for amounts included in the measurement of lease liabilities: |  |  |
Cash paid for amounts included in the measurement of lease liabilities—Operating cash flows from operating leases | $ 14,329 | $ 29,367 |
Weighted-average remaining lease term—operating leases (in years) | 3 years 3 months 18 days | 3 years 3 months 18 days |
Weighted-average discount rate—operating leases | 4.08% | 4.08% |
Operating Lease Liabilities, Payments Due [Abstract] |  |  |
2019 (remaining months) | $ 32,000 | $ 32,000 |
2020 | 63,000 | 63,000 |
2021 | 63,000 | 63,000 |
2022 | 42,000 | 42,000 |
2023 | 0 | 0 |
2024 | 0 | 0 |
Thereafter | 0 | 0 |
Total lease payments | 200,000 | 200,000 |
Less: Imputed interest | (12,000) | (12,000) |
Operating lease liabilities | $ 188,000 | $ 188,000 |
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] |  |  |
2019 |  |  | 63,000
2020 |  |  | 63,000
2021 |  |  | 63,000
2022 |  |  | 42,000
2023 |  |  | 0
Thereafter |  |  | 0
Total lease payments |  |  | 231,000
Hawaiian Electric Company, Inc. and Subsidiaries |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Renewal option range | 10 years | 10 years |
Operating lease cost | $ 17,001 | $ 33,965 |
Variable lease cost | 46,749 | 90,115 |
Total lease cost | 63,750 | 124,080 |
Cash paid for amounts included in the measurement of lease liabilities: |  |  |
Cash paid for amounts included in the measurement of lease liabilities—Operating cash flows from operating leases | $ 15,740 | $ 32,175 |
Weighted-average remaining lease term—operating leases (in years) | 3 years 4 months 24 days | 3 years 4 months 24 days |
Weighted-average discount rate—operating leases | 4.09% | 4.09% |
Operating Lease Liabilities, Payments Due [Abstract] |  |  |
2019 (remaining months) | $ 35,000 | $ 35,000 |
2020 | 69,000 | 69,000 |
2021 | 68,000 | 68,000 |
2022 | 44,000 | 44,000 |
2023 | 2,000 | 2,000 |
2024 | 1,000 | 1,000 |
Thereafter | 2,000 | 2,000 |
Total lease payments | 221,000 | 221,000 |
Less: Imputed interest | (14,000) | (14,000) |
Operating lease liabilities | 207,000 | 207,000 |
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] |  |  |
2019 |  |  | 69,000
2020 |  |  | 69,000
2021 |  |  | 68,000
2022 |  |  | 44,000
2023 |  |  | 2,000
Thereafter |  |  | 3,000
Total lease payments |  |  | 255,000
Hawaiian Electric Company, Inc. and Subsidiaries | Other leases |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Operating lease cost | 1,523 | 3,009 |
Variable lease cost | 2,764 | 4,850 |
Total lease cost | 4,287 | 7,859 |
Cash paid for amounts included in the measurement of lease liabilities: |  |  |
Cash paid for amounts included in the measurement of lease liabilities—Operating cash flows from operating leases | $ 1,411 | $ 2,808 |
Weighted-average remaining lease term—operating leases (in years) | 4 years 9 months 18 days | 4 years 9 months 18 days |
Weighted-average discount rate—operating leases | 4.17% | 4.17% |
Operating Lease Liabilities, Payments Due [Abstract] |  |  |
2019 (remaining months) | $ 3,000 | $ 3,000 |
2020 | 6,000 | 6,000 |
2021 | 5,000 | 5,000 |
2022 | 2,000 | 2,000 |
2023 | 2,000 | 2,000 |
2024 | 1,000 | 1,000 |
Thereafter | 2,000 | 2,000 |
Total lease payments | 21,000 | 21,000 |
Less: Imputed interest | (2,000) | (2,000) |
Operating lease liabilities | 19,000 | 19,000 |
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] |  |  |
2019 |  |  | 6,000
2020 |  |  | 6,000
2021 |  |  | 5,000
2022 |  |  | 2,000
2023 |  |  | 2,000
Thereafter |  |  | 3,000
Total lease payments |  |  | 24,000
Hawaiian Electric Company, Inc. and Subsidiaries | PPAs classified as leases |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Operating lease cost | 15,478 | 30,956 |
Variable lease cost | 43,985 | 85,265 |
Total lease cost | 59,463 | 116,221 |
Cash paid for amounts included in the measurement of lease liabilities: |  |  |
Cash paid for amounts included in the measurement of lease liabilities—Operating cash flows from operating leases | $ 14,329 | $ 29,367 |
Weighted-average remaining lease term—operating leases (in years) | 3 years 3 months 18 days | 3 years 3 months 18 days |
Weighted-average discount rate—operating leases | 4.08% | 4.08% |
Operating Lease Liabilities, Payments Due [Abstract] |  |  |
2019 (remaining months) | $ 32,000 | $ 32,000 |
2020 | 63,000 | 63,000 |
2021 | 63,000 | 63,000 |
2022 | 42,000 | 42,000 |
2023 | 0 | 0 |
2024 | 0 | 0 |
Thereafter | 0 | 0 |
Total lease payments | 200,000 | 200,000 |
Less: Imputed interest | (12,000) | (12,000) |
Operating lease liabilities | $ 188,000 | $ 188,000 |
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] |  |  |
2019 |  |  | 63,000
2020 |  |  | 63,000
2021 |  |  | 63,000
2022 |  |  | 42,000
2023 |  |  | 0
Thereafter |  |  | 0
Total lease payments |  |  | $ 231,000

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- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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- Definition Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 + Details
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