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Note 7 - Segment Reporting - Segment Information (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Total adjusted EBITDA |  | $ 100,075 | $ 196,413
Interest expense |  | (22,995) | (9,554)
Depreciation and amortization |  | (39,951) | (38,461)
Non-cash write-down and other adjustments (1) | [1] | 3,160 | 7,792
Non-cash share-based compensation expense (2) | [2] | (10,334) | (8,827)
Transaction costs and credit facility fees (3) | [3] | (1,091) | (989)
Business optimization and other charges (4) | [4] | (1,100) | (1,159)
Provision for regulatory charges (5) | [5] | (5,800) | 0
Other |  | 46 | 289
Income before provision for income taxes |  | 22,010 | 145,504
Domestic [Member] |  |  |
Total adjusted EBITDA |  | 67,662 | 170,421
International [Member] |  |  |
Total adjusted EBITDA |  | $ 32,413 | $ 25,992
[1] | Includes gains/losses on disposals of assets and sales of certain investments, unrealized mark-to-market adjustments on commodity contracts, certain foreign currency related adjustments, and certain purchase accounting and contingent consideration adjustments.
[2] | Represents share-based compensation expense to account for stock options, restricted stock, and other stock awards over their respective vesting periods.
[3] | Represents transaction costs incurred directly in connection with any investment, as defined in our credit agreement, equity issuance or debt issuance or refinancing, together with certain fees relating to our senior secured credit facilities.
[4] | Represents severance and other non-recurring restructuring charges.
[5] | Represents a provision of $5.8 million for a pending matter with the Consumer Product Safety Commission concerning the imposition of penalty fines for allegedly failing to timely submit a report under the Consumer Product Safety Act in relation to certain portable generators that were subject to a voluntary recall previously announced on July 29, 2021.

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