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CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020
Cash flows from operating activities: |  |
Net income (loss) | $ 358,770 | $ (57,783)
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |
Net investment (gains) losses | (102,936) | 9,831
Net realized and unrealized (gains) losses on other investments | (83,247) | 39,700
Amortization of fixed maturities | 19,054 | 14,850
Interest in (income) loss of equity method investments | (18,960) | 16,475
Amortization of value of business acquired | 2,056 | 3,083
Other amortization and depreciation | 31,346 | 30,481
Share-based compensation expense, net of cash payments | 13,950 | 7,125
Changes in: |  |
Accrued interest receivable | 1,760 | 9,223
Reinsurance recoverable balances on unpaid and paid losses | (161,894) | (353,946)
Deferred acquisition costs | (144,256) | (92,026)
Prepaid reinsurance premiums | (284,411) | (250,988)
Reserve for losses and loss expenses | 229,099 | 438,746
Unearned premiums | 1,014,854 | 797,402
Insurance and reinsurance balances, net | (338,258) | (440,688)
Other items | (2,000) | (65,493)
Net cash provided by operating activities | 534,927 | 105,992
Purchases of: |  |
Fixed maturities, available for sale | (7,528,567) | (5,311,263)
Fixed maturities, held to maturity | (117,175) | 0
Equity securities | (66,443) | (15,724)
Mortgage loans | (73,472) | (95,764)
Other investments | (125,534) | (75,803)
Short-term investments | (116,599) | (134,822)
Proceeds from the sale of: |  |
Fixed maturities, available for sale | 6,255,928 | 5,357,595
Equity securities | 10,876 | 86,833
Other investments | 172,499 | 80,235
Short-term investments | 124,271 | 81,215
Proceeds from the redemption of fixed maturities, available for sale | 960,936 | 796,594
Proceeds from the redemption of fixed maturities, held to maturity | 118,897 | 0
Proceeds from redemption of short-term investments | 40,868 | 57,948
Proceeds from the repayment of mortgage loans | 10,940 | 3,951
Purchase of other assets | (14,107) | (28,470)
Net cash provided by (used in) investing activities | (346,682) | 802,525
Cash flows from financing activities: |  |
Taxes paid on withholding shares | (9,820) | (8,602)
Dividends paid - common shares | (74,306) | (71,994)
Repurchase of preferred shares | 0 | (225,000)
Dividends paid - preferred shares | (15,125) | (16,706)
Redemption of senior notes | 0 | (500,000)
Net cash used in financing activities | (99,251) | (822,302)
Effect of exchange rate changes on foreign currency cash, cash equivalents and restricted cash | (2,783) | (13,839)
Increase in cash, cash equivalents and restricted cash | 86,211 | 72,376
Cash, cash equivalents and restricted cash - beginning of period | 1,503,232 | 1,576,457
Cash, cash equivalents and restricted cash - end of period | 1,589,443 | 1,648,833
Supplemental disclosures of cash flow information: |  |
Income taxes paid (refund) | 29,849 | (408)
Interest paid | $ 29,700 | $ 34,820

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- Definition The adjustment that represents the periodic charge against earnings to reduce the value of business acquired (VOBA) over the expected life of the underlying insurance contracts. VOBA reflects the estimated fair value of a life insurance business in force and represents the portion of the cost to acquire the business that is allocated to the value of the right to receive future cash flows from insurance contracts existing at the date of acquisition. Such value is the present value of the actuarially determined projected cash flows for the acquired policies. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section S99 -Paragraph 2 -Subparagraph (2) -URI http://asc.fasb.org/extlink&oid=122135039&loc=d3e569990-122904 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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