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v3.21.1

Special Charges (Credits) - Narrative (Details) $ in Thousands | 1 Months Ended | 3 Months Ended
--- | --- | ---
Feb. 28, 2021 aircraft | Mar. 31, 2021 USD ($) | Mar. 31, 2020 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |
Government assistance received |  | $ 2,600,000 |
Government assistance received through unsecured loans |  | 753,000 |
Government assistance received through grants |  | 1,800,000 |
Issuance of warrants |  | 47,000 |
Severance and benefit costs |  | 417,000 | $ 0
Net charges for termination of lease and utility charges related to the February winter storms in Texas |  | (16,000) |
Nonoperating unrealized losses on investments, net |  | 22,000 | 319,000
Special charges (credits) |  | (1,377,000) | 63,000
Nonoperating credit loss on BRW Term Loan and related guarantee |  | 0 | 697,000
Gain for the change in fair value of certain derivative assets |  |  | 24,000
Boeing 777-200/200ER |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Number of aircraft temporarily grounded | aircraft | 52 |  |
Azul |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Gain (loss) on equity securities |  | (23,000) | 293,000
Trans States Airlines |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Special charges (credits) |  |  | 10,000
BRW | Term Loan Receivable |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Nonoperating credit loss on BRW Term Loan and related guarantee |  |  | 697,000
Routes |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Impairment of intangible assets |  | 50,000 |
Employee Separation | Voluntary Separation Leave Programs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Special termination benefits related to VSL programs |  | 46,000 |
Employee Separation | Voluntary Separation Leave Programs | Full-Time Employees |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
One-time per employee contribution for special termination benefits related to VSL programs |  | 125 |
Employee Separation | Voluntary Separation Leave Programs | Part-Time Employees |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
One-time per employee contribution for special termination benefits related to VSL programs |  | $ 75 |
Transition of Fleet Types within Other Regional Carrier Contracts |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Special charges |  |  | $ 3,000

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