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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018
Cash flows from operating activities |  |
Net income | $ 71,999 | $ 47,596
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |
Net realized investment losses (gains) | 300 | (59)
Loss (gain) from change in fair value of warrant liability | 7,164 | (529)
Depreciation and amortization | 4,339 | 3,810
Net amortization of premium on investment securities | 622 | 810
Amortization of debt discount and debt issuance costs | 499 | 2,851
Share-based compensation expense | 6,456 | 5,822
Deferred income taxes | 17,840 | 10,864
Changes in operating assets and liabilities: |  |
Premiums receivable | (6,218) | (6,073)
Accrued investment income | (607) | (577)
Prepaid expenses | (312) | (756)
Deferred policy acquisition costs, net | (5,767) | (4,438)
Other assets | (260) | 68
Unearned premiums | (7,535) | 2,492
Reserve for insurance claims and claim expenses | 5,621 | 1,840
Reinsurance balances, net | (438) | 365
Accounts payable and accrued expenses | (6,379) | (2,733)
Net cash provided by operating activities | 87,324 | 61,353
Cash flows from investing activities |  |
Purchase of short-term investments | (113,276) | (83,874)
Purchase of fixed-maturity investments, available-for-sale | (126,179) | (219,093)
Proceeds from maturity of short-term investments | 119,748 | 52,562
Proceeds from redemptions, maturities and sale of fixed-maturity investments, available-for-sale | 49,229 | 111,485
Additions to software and equipment | (4,491) | (3,273)
Net cash used in investing activities | (74,969) | (142,193)
Cash flows from financing activities |  |
Proceeds from issuance of common stock related to public offering, net of issuance costs | 0 | 79,165
Proceeds from issuance of common stock related to employee equity plans | 12,374 | 6,173
Taxes paid related to net share settlement of equity awards | (13,538) | (6,480)
Proceeds from senior note, net | 0 | 149,250
Repayments of term loan | (750) | (146,625)
Payments of debt issuance/modification costs | 0 | (3,385)
Net cash (used in) provided by financing activities | (1,914) | 78,098
Net increase (decrease) in cash, cash equivalents and restricted cash | 10,441 | (2,742)
Cash, cash equivalents and restricted cash, beginning of period | 25,294 | 19,196
Cash, cash equivalents and restricted cash, end of period | 35,735 | 16,454
Supplemental disclosures of cash flow information |  |
Interest paid | 5,365 | 6,425
Income tax (refunded) paid, net | $ (134) |
Income tax (refunded) paid, net |  | $ 447

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- Definition The cash outflow for securities or other assets acquired, which qualify for treatment as an investing activity and are to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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- Definition The amount of cash received during the period as refunds for the overpayment of taxes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4297-108586 + Details
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- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow from issuance of shares under share-based payment arrangement. Includes, but is not limited to, option exercised. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116856206&loc=SL79508275-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow from sale, maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3151-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=118954083&loc=d3e26853-111562 + Details
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- Definition The cash inflow from sales of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + 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 http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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