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CREDIT FACILITIES AND NOTES PAYABLE (Details - Recent Amendments to prior Credit Facilities) |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 18, 2019 USD ($) center | Dec. 31, 2021 USD ($) loan | Apr. 23, 2021 USD ($) | Aug. 28, 2020 USD ($)
Line of Credit Facility [Line Items] |  |  |  |
Number of amendments | center | 2,000 |  |  |
Medium-term Notes |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Total credit facilities outstanding |  |  | $ 725,000,000 |
Amendment No. 6 First Lien Credit Agreement | Medium-term Notes |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Total credit facilities outstanding | $ 100,000,000 |  |  |
Paycheck Protection Program Loans |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Debt instrument, interest rate |  | 1.00% |  |
Paycheck Protection Program Loans | C O V I D19 Pandemic |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
PPP loans, maturity term |  | 2 years |  |
Number of PPP loans received | loan |  | 4 |  |
Debt instrument, face amount |  | $ 4,000,000 |  |
Revolving Credit Facility | First Lien Credit Agreement Eighth Amendment | Barclays | Line of Credit |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Line of credit facility, increase borrowing capacity |  |  |  | $ 57,500,000
Revolving Credit Facility | First Lien Credit Agreement | Barclays | Line of Credit |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Credit facilities available |  | 195,000,000 |  |
Total credit facilities outstanding |  | $ 0 |  |
Revolving Credit Facility | Amendment No. 6 First Lien Credit Agreement | Line of Credit |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Line of credit facility, increase borrowing capacity | $ 20,000,000 |  |  |
Debt Instrument, Extension Period | 2 years |  |  |

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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: 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(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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