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Consolidated Statements of Cash Flows - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Cash flows from operating activities: |  |  |
Net income (loss) attributable to common stockholders | $ 4.0 | $ 522.0 | $ (17.0)
Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest | (1.0) | (1.0) | (1.0)
AMPS Gain on Purchase of Shares |  | 1.0 |
Net income | 5.0 | 522.0 | (16.0)
Adjustments to reconcile net income to net cash used in operating activities: |  |  |
Depreciation | 2.0 | 2.0 | 2.0
Amortization of bond premium and discount | (15.0) | (11.0) | (13.0)
Share-based compensation | 17.0 | 17.0 | 14.0
Unearned premiums, net | (30.0) | (58.0) | (82.0)
Losses and loss expenses, net | 130.0 | 1,220.0 | (147.0)
Ceded premiums payable | 52.0 | 6.0 | 6.0
Premium receivables | (21.0) | 54.0 | 48.0
Accrued interest payable | (1.0) | (134.0) | 103.0
Amortization of intangible assets | 29.0 | 47.0 | 55.0
Net investment gains (losses), including impairments | 22.0 | (31.0) | (7.0)
Net realized gains (losses) on extinguishment of debt | 0.0 | (81.0) | (33.0)
Income (loss) on variable interest entities | 3.0 | 21.0 | 7.0
Other, net | 13.0 | (196.0) | (56.0)
Net cash provided by operating activities | 200.0 | 1,335.0 | (131.0)
Cash flows from investing activities: |  |  |
Proceeds from sales of bonds | 140.0 | 523.0 | 236.0
Proceeds from matured bonds | 74.0 | 206.0 | 698.0
Purchases of bonds | (415.0) | (403.0) | (343.0)
Proceeds from sales of other invested assets | 209.0 | 166.0 | 39.0
Purchases of other invested assets | (80.0) | (112.0) | (127.0)
Change in short-term investments | 118.0 | (52.0) | 98.0
Change in cash collateral | (42.0) | 44.0 | 9.0
Proceeds From Financial Guaranty Variable Interest Entity Assets | 199.0 | 504.0 | 171.0
Payments to Acquire Businesses, Net of Cash Acquired | (7.0) | (18.0) | 0.0
Other, net | 6.0 | 9.0 | (5.0)
Net cash provided by investing activities | 435.0 | 866.0 | 776.0
Cash flows from financing activities: |  |  |
Proceeds from Sale of Senior Surplus Notes |  |  | 11.0
Proceeds from Issuance of Secured Debt |  |  | 1,163.0
Proceeds from (Payments to) Noncontrolling Interests | (2.0) | (1.0) | (1.0)
Paydown of Ambac Note |  |  | (1,641.0)
Payments of Debt Issuance Costs |  |  | (12.0)
Payments for Repurchase of Common Stock | (5.0) | (14.0) |
Payment, Tax Withholding, Share-based Payment Arrangement | (5.0) | (4.0) | (6.0)
Paydown of Financial Guaranty Variable Interest Entity Liabilities | (315.0) | (591.0) | (170.0)
Net Cash Provided by (Used in) Financing Activities | (423.0) | (2,163.0) | (657.0)
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations | 1.0 | (1.0) | 0.0
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect | 213.0 | 38.0 | (12.0)
Supplemental disclosure of cash flow information |  |  |
Income Taxes Paid | 11.0 | 6.0 | 15.0
Cash payments related to reorganization items: |  |  |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents | 274.0 | 61.0 | 23.0
AMPS Exchange Cash Paid |  | (8.0) |
Sitka AAC Note |  |  |
Cash payments related to reorganization items: |  |  |
Repayments of Secured Debt |  | 1,210.0 |
5.1 % Surplus Notes Due 2020 [Member] |  |  |
Cash payments related to reorganization items: |  |  |
Payments for purchase of surplus notes | 0.0 | (191.0) |
Tier 2 Notes [Member] |  |  |
Cash payments related to reorganization items: |  |  |
Repayments of Secured Debt | 97.0 | 143.0 |
Ambac Financial Group, Inc Parent Company Only [Member] |  |  |
Cash flows from operating activities: |  |  |
Net income (loss) attributable to common stockholders | 4.0 | 522.0 | (17.0)
Net income | 4.0 | 522.0 | (17.0)
Adjustments to reconcile net income to net cash used in operating activities: |  |  |
Amortization of bond premium and discount | 0.0 | (7.0) | (9.0)
Share-based compensation | 9.0 | 12.0 | 14.0
Net investment gains (losses), including impairments | 0.0 | 14.0 | 5.0
Other, net | 2.0 | 1.0 | (6.0)
Net cash provided by operating activities | 2.0 | 46.0 | (10.0)
Cash flows from investing activities: |  |  |
Proceeds from matured bonds | 0.0 | 68.0 | 33.0
Purchases of bonds | (1.0) | (1.0) | (34.0)
Proceeds from sales of other invested assets | (3.0) | (4.0) | (8.0)
Change in short-term investments | 20.0 | (51.0) | 105.0
Net cash provided by investing activities | 16.0 | 12.0 | 95.0
Cash flows from financing activities: |  |  |
Payments for Repurchase of Common Stock | 5.0 | 14.0 |
Net Cash Provided by (Used in) Financing Activities | (21.0) | (57.0) | (92.0)
Supplemental disclosure of cash flow information |  |  |
Income Taxes Paid | 0.0 | 0.0 | 0.0
Variable Interest Entity [Member] |  |  |
Adjustments to reconcile net income to net cash used in operating activities: |  |  |
Net investment gains (losses), including impairments | (1.0) | (2.0) | (2.0)
Cash flows from investing activities: |  |  |
Change in cash collateral | $ 235.0 | $ 0.0 | $ 0.0

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