XML 61 R50.htm IDEA: XBRL DOCUMENT
v3.20.2

Inventories - Allowance (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Inventory Valuation Reserves [Roll Forward] |  |  |  |
Balance, beginning of period | $ 2,365 | $ 1,567 | $ 2,644 | $ 1,210
Provisions for excess and obsolete inventories | 81 | 796 | (193) | 1,153
Inventories written off | (73) | (13) | (78) | (13)
Balance, end of period | $ 2,373 | $ 2,350 | $ 2,373 | $ 2,350

X
- Definition Charge to expense for inventory that is expected to be excess or obsolete. + References No definition available. + Details
Name: | aaon_InventoryValuationReservesProvision
Namespace Prefix: | aaon_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Inventory Valuation Reserves [Roll Forward] + References No definition available. + Details
Name: | aaon_InventoryValuationReservesRollForward
Namespace Prefix: | aaon_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Inventory that is written off due to being excess or obsolete. + References No definition available. + Details
Name: | aaon_InventoryValuationReservesWriteOffs
Namespace Prefix: | aaon_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of valuation reserve for inventory. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.BB) -URI http://asc.fasb.org/extlink&oid=27011343&loc=d3e100047-122729 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_InventoryValuationReserves
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant