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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Cash flows (used in)/from operating activities: |  |  |  |  |  |
Net income/(loss) |  | $ 51.1 |  | $ 29.8 |  | $ (56.4)
Adjustments to reconcile net income/(loss) to net cash flows from operating activities: |  |  |  |  |  |
Depreciation and amortization |  | 43.3 |  | 53.3 |  | 45.8
Impairment of lease assets |  | (6.7) |  | 0.4 |  | 12.9
Amortization of right-of-use operating lease assets |  | 10.1 |  | 12.0 |  | 11.8
Interest on operating lease liabilities |  | 5.4 |  | 5.5 |  | 5.5
Realized and unrealized investment gains |  | (5.0) | [1] | (56.2) |  | (98.5)
Realized and unrealized investment losses |  | 182.6 | [2] | 47.4 |  | 27.4
Deferred tax expense/(benefit) |  | (104.6) |  | (3.2) |  | (1.0)
Net realized and unrealized investment foreign exchange (gains)/losses |  | 15.9 |  | 13.0 |  | (25.3)
Net change from current period hedged transactions |  | 15.4 |  | (6.2) |  | 0.3
Unrealized (gain)/loss on real estate fund in net investment income |  | (14.5) |  | (20.5) |  | 0.0
Insurance reserves: |  |  |  |  |  |
Losses and loss adjustment expenses |  | 99.1 |  | 483.3 |  | 146.9
Unearned premiums |  | 345.2 |  | 310.2 |  | 68.0
Reinsurance recoverables: |  |  |  |  |  |
Unpaid losses |  | 1,599.6 |  | 109.5 |  | 864.9
Ceded unearned premiums |  | (141.2) |  | (143.1) |  | (9.6)
Other receivables |  | (26.4) |  | (19.4) |  | (17.4)
Deferred acquisition costs |  | (28.2) |  | 13.2 |  | (13.3)
Reinsurance premiums payable |  | 1,404.4 |  | 1.2 |  | 129.7
Funds withheld |  | 1.1 |  | (5.7) |  | (13.0)
Premiums receivable |  | (177.8) |  | (142.9) |  | 79.9
Income tax payable |  | (1.3) |  | (7.6) |  | 7.6
Accrued expenses and other payable |  | (87.0) |  | 73.5 |  | 2.4
Fair value of derivatives and settlement of liabilities under derivatives |  | (21.7) |  | 13.6 |  | (87.5)
Long-term debt and loan notes issued by variable interest entities |  | 0.0 |  | 0.0 |  | 0.1
Operating lease liabilities |  | (15.5) |  | (17.5) |  | (17.3)
Other assets |  | 0.9 |  | 0.1 |  | (6.8)
Net cash (used in)/from operating activities |  | (55.0) |  | 524.7 |  | (672.7)
Cash flows (used in)/from investing activities: |  |  |  |  |  |
(Purchases) of fixed income securities — Available for sale |  | (1,613.9) |  | (2,217.3) |  | (1,632.0)
(Purchases) of fixed income securities — Trading |  | (724.6) |  | (866.4) |  | (281.9)
Proceeds from sales and maturities of fixed income securities — Available for sale |  | 2,212.5 |  | 1,538.1 |  | 2,415.8
Proceeds from sales and maturities of fixed income securities — Trading |  | 293.6 |  | 548.2 |  | 554.4
Net proceeds from catastrophe bonds — Trading |  | 0.5 |  | 14.3 |  | 9.8
(Purchases) of short-term investments — Available for sale |  | (55.9) |  | (17.2) |  | (216.1)
Proceeds from sale of short-term investments — Available for sale |  | 13.6 |  | 99.6 |  | 246.1
(Purchases) of short-term investments — Trading |  | (7.0) |  | (26.8) |  | (58.3)
Proceeds from sale of short-term investments — Trading |  | 2.6 |  | 60.8 |  | 103.8
(Purchases) of privately-held investments — Trading |  | (377.9) |  | (205.1) |  | (92.8)
Proceeds from sale of privately-held investments — Trading |  | 147.4 |  | 182.1 |  | 64.9
Net change in (payable)/receivable for securities (purchased)/sold |  | (31.8) |  | 26.6 |  | 1.5
(Purchases) of other investments |  | (62.5) |  | (20.0) |  | 0.0
Net proceeds from sales of other investments |  | 5.9 |  | 0.0 |  | 71.1
Net sales/(purchases) of fixed assets |  | 3.0 |  | (64.5) |  | (40.7)
Investment in multiline reinsurer |  | (1.6) |  | (2.5) |  | (0.5)
Net (purchases)/sales of investments, equity method |  | (0.4) |  | (0.2) |  | 6.1
Net cash (used in)/from investing activities |  | (196.5) |  | (950.3) |  | 1,151.2
Cash flows used in/from financing activities: |  |  |  |  |  |
Capital contribution |  | 0.0 |  | 45.0 |  | 268.0
Dividends paid on ordinary shares |  | 40.0 |  | 0.0 |  | 0.0
Dividends paid on preference shares |  | (44.6) |  | (44.5) |  | (44.5)
Net cash (used in)/from financing activities |  | (84.6) |  | 0.5 |  | 223.5
Effect of exchange rate movements on cash and cash equivalents |  | (18.8) |  | (8.1) |  | 14.8
(Decrease)/increase in cash and cash equivalents |  | (354.9) |  | (433.2) |  | 716.8
Cash and cash equivalents at beginning of period |  | 1,314.1 | [3] | 1,747.3 | [3] | 1,030.5
Cash and cash equivalents at end of period (1) | [3] | 959.2 |  | 1,314.1 |  | 1,747.3
Restricted cash |  | 232.1 | [3] | 364.9 | [3] | 296.0
Supplemental disclosure of cash flow information: |  |  |  |  |  |
Net cash paid during the period for income taxes |  | 29.1 |  | 15.7 |  | 15.0
Cash paid during the period for interest |  | $ 14.3 |  | $ 14.0 |  | $ 14.0
[1] |
[2] | Realized and unrealized investments losses includes $0.4 million loss on related party investments
[3] | Cash and cash equivalents includes restricted cash of $232.1 million (2021 — $364.9 million, 2020 — $296.0 million) which are held in trusts.

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- Definition Amount of increase (decrease) in receivables classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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- Definition The change in the premium receivable balance on the balance sheet. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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- Definition The change in prepaid reinsurance premiums recorded on the balance sheet, which is needed to adjust net income to arrive at net cash flows provided by or used in operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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- Definition The increase (decrease) during the reporting period in the amount due to other insurance companies when the reporting entity has assumed a portion of the cedant's insurance risk which has resulted in insurance losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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- Definition Amount of increase (decrease) unearned premiums written. Excludes portion of unearned premiums amortized into income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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- Definition Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126999549&loc=d3e4297-108586 + Details
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