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v3.24.2

Debt (Details) |  | 6 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2023 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2024 KRW (₩) | May 31, 2024 USD ($) borrowing | May 31, 2024 KRW (₩) borrowing | Mar. 31, 2022 USD ($) | Feb. 28, 2022 USD ($) | Apr. 30, 2021 KRW (₩) borrowing
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Total debt | $ 1,209,785,000 | $ 1,108,545,000 |  |  |  |  |  |
Less: Unamortized discount and deferred debt costs, net | (6,329,000) | (4,822,000) |  |  |  |  |  |
Less: Short-term borrowings and current portion of long-term debt | (131,624,000) | (154,403,000) |  |  |  |  |  |
Long-term debt | 1,071,832,000 | 949,320,000 |  |  |  |  |  |
Collateralized debt |  | 582,000,000 |  |  |  |  |  |
Asset Pledged as Collateral |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Collateralized debt |  | 312,100,000 |  |  |  |  |  |
Short-term term loans, variable rate | Japan | Subsidiary Term Loans |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Total debt | 5,098,000 | 1,579,000 |  |  |  |  |  |
Borrowing capacity available |  | $ 4,000,000 |  |  |  |  |  |
Short-term term loans, variable rate | Japan | Subsidiary Term Loans | Weighted Average |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Weighted average interest rate (as a percent) |  | 0.38% | 0.38% |  |  |  |  |
Short-term term loans, variable rate | Japan | TIBOR | Subsidiary Term Loans | Minimum |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate spread (as a percent) |  | 0.18% |  |  |  |  |  |
Short-term term loans, variable rate | Japan | TIBOR | Subsidiary Term Loans | Maximum |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate spread (as a percent) |  | 0.20% |  |  |  |  |  |
Senior Notes | 6.625% Senior notes, due September 2027 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate (as a percent) |  | 6.625% | 6.625% |  |  |  |  |
Total debt | 525,000,000 | $ 525,000,000 |  |  |  |  |  |
Subsidiary Term Loans | Term loan, fixed rate at 3.95%, due May 2027 | Korea |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate (as a percent) |  | 3.95% | 3.95% |  |  |  |  |
Total debt | 0 | $ 0 |  |  |  |  |  |
Number of annual borrowings | borrowing |  |  |  | 6 | 6 |  |  | 6
Borrowing capacity available |  | 58,000,000 | ₩ 80,000,000,000 |  |  |  |  |
Proceeds from issuance of long-term debt |  | $ 58,700,000 |  |  |  |  |  |
Subsidiary Term Loans | Term loan, fixed rate at 2.12%, due December 2028 | Korea |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate (as a percent) |  | 2.12% | 2.12% |  |  |  |  |
Total debt | 200,000,000 | $ 200,000,000 |  |  |  |  |  |
Subsidiary Term Loans | Term loan, fixed rate at 1.35%, due December 2024 | Japan |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate (as a percent) |  | 1.35% | 1.35% |  |  |  |  |
Total debt | 40,414,000 | $ 17,715,000 |  |  |  |  |  |
Subsidiary Term Loans | Term loan, fixed rate at 1.20%, due December 2025 | Japan |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate (as a percent) |  | 1.20% | 1.20% |  |  |  |  |
Total debt | 30,913,000 | $ 20,326,000 |  |  |  |  |  |
Subsidiary Term Loans | Term loan, fixed rate at 1.23%, due December 2026 | Japan |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate (as a percent) |  | 1.23% | 1.23% |  |  |  |  |
Total debt | 55,729,000 | $ 40,714,000 |  |  |  |  |  |
Subsidiary Term Loans | Term loan, fixed rate at 1.59%, due December 2027 | Japan |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate (as a percent) |  | 1.59% | 1.59% |  |  |  |  |
Total debt | 89,053,000 | $ 68,312,000 |  |  |  |  |  |
Subsidiary Term Loans | Term loan, fixed rate at 1.80%, due December 2028 | Japan |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate (as a percent) |  | 1.80% | 1.80% |  |  |  |  |
Total debt | 124,078,000 | $ 97,899,000 |  |  |  |  |  |
Subsidiary Term Loans | Term loans, SOFR plus 0.75%, weighted average of 6.06% as of June 30, 2024, due June 2025 | China |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Total debt | 37,000,000 | $ 36,000,000 |  |  |  |  |  |
Subsidiary Term Loans | Term loans, SOFR plus 0.75%, weighted average of 6.06% as of June 30, 2024, due June 2025 | China | SOFR |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate spread (as a percent) |  | 0.75% |  |  |  |  |  |
Weighted average interest rate (as a percent) |  | 6.06% | 6.06% |  |  |  |  |
Subsidiary Term Loans | Term loans, SOFR plus 0.75%, weighted average of 6.06% as of June 30, 2024, due 2025 | China |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Total debt | 57,500,000 | $ 56,500,000 |  |  |  |  |  |
Subsidiary Term Loans | Term loans, SOFR plus 0.75%, weighted average of 6.06% as of June 30, 2024, due 2025 | China | SOFR |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate spread (as a percent) |  | 0.75% |  |  |  |  |  |
Weighted average interest rate (as a percent) |  | 6.06% | 6.06% |  |  |  |  |
Subsidiary Term Loans | Term loans, SOFR plus 0.95% December 2026 | China |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Total debt | $ 45,000,000 | $ 44,500,000 |  |  |  |  |  |
Subsidiary Term Loans | Term loans, SOFR plus 0.95% December 2026 | China | Weighted Average |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Weighted average interest rate (as a percent) |  | 6.30% | 6.30% |  |  |  |  |
Subsidiary Term Loans | Term loans, SOFR plus 0.95% December 2026 | China | SOFR |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate spread (as a percent) |  | 0.95% |  |  |  |  |  |
Subsidiary Term Loans | Term Loans, SOFR Plus 1.40%, Due December 2026 | China | SOFR |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate spread (as a percent) | 1.40% |  |  |  |  |  |  |
Subsidiary Term Loans | Term Loan, fixed rate at 1.85%, Due April2024 | Korea |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate (as a percent) |  | 1.85% | 1.85% |  |  |  |  |
Face amount of debt | ₩ |  |  |  |  |  |  |  | ₩ 80,000,000,000
Borrowing capacity available |  |  |  | $ 59,000,000 | ₩ 80,000,000,000.0 |  |  |
Line of Credit | Credit facility, TAIFX plus the applicable bank rate, due December 2024 (Taiwan) | Revolving Credit Facility | Taiwan |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Total debt | $ 0 | $ 0 |  |  |  |  |  |
Borrowing capacity available |  | $ 15,000,000.0 |  |  |  |  |  |
Credit facility, borrowing capacity |  |  |  |  |  | $ 15,000,000 | $ 36,000,000 |
Line of Credit | $600.0 million senior secured revolving credit facility, applicable bank rate plus 1.75%, due March 2027 (Singapore) | Revolving Credit Facility | Singapore |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate (as a percent) |  | 1.75% | 1.75% |  |  |  |  |
Total debt | $ 0 | $ 0 |  |  |  |  |  |
Borrowing capacity available |  | $ 600,000,000 |  |  |  |  |  |
Credit facility, borrowing capacity |  |  |  |  |  | 600,000,000 |  |
Credit facility, base amount |  |  |  |  |  | $ 250,000,000 |  |
Credit facility percentage of variable borrowings |  |  |  |  |  | 37.50% |  |

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