Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Intangibles

v3.21.2
Intangibles
6 Months Ended
Jun. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangibles Intangibles
Maintenance rights and lease premium, net
Maintenance rights and lease premium, net consisted of the following as of June 30, 2021 and December 31, 2020:
June 30, 2021 December 31, 2020
Maintenance rights $ 610,252  $ 642,825 
Lease premium, net 3,919  7,089 
$ 614,171  $ 649,914 
Movements in maintenance rights during the six months ended June 30, 2021 and 2020 were as follows:
Six Months Ended June 30,
2021 2020
Maintenance rights at beginning of period
$ 642,825  $ 794,798 
EOL and MR contract maintenance rights expense
(6,170) (28,078)
MR contract maintenance rights write-off due to maintenance liability release
(7,340) (1,841)
EOL contract maintenance rights write-off due to cash receipt
(16,701) (35,346)
EOL and MR contract maintenance rights write-off due to sale of aircraft (2,362) (1,860)
Maintenance rights at end of period
$ 610,252  $ 727,673 
Other intangibles
Other intangibles consisted of the following as of June 30, 2021 and December 31, 2020:
June 30, 2021 December 31, 2020
Customer relationships, net $ 209,001  $ 219,589 
Contractual vendor intangible assets 5,045  5,045 
$ 214,046  $ 224,634 
The following tables present details of customer relationships and related accumulated amortization as of June 30, 2021 and December 31, 2020:
June 30, 2021
Gross carrying amount Accumulated
amortization
Net carrying amount
Customer relationships $ 360,000  $ (150,999) $ 209,001 
December 31, 2020
Gross carrying amount Accumulated
amortization
Net carrying amount
Customer relationships $ 360,000  $ (140,411) $ 219,589 
During the three months ended June 30, 2021 and 2020, we recorded amortization expense for customer relationships of $5.3 million. During the six months ended June 30, 2021 and 2020, we recorded amortization expense for customer relationships of $10.6 million.