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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Operating activities |  |  |
Net income | $ 578,276 | $ 487,476 | $ 288,934
Adjustments to reconcile net income to net cash (used in) provided by operating activities: |  |  |
Provisions for credit losses | 354,249 | 244,864 | 185,765
Deferred tax benefit | (9,714) | (63,301) | (58,752)
Amortization of brokered deposit placement fee | 17,788 | 13,055 | 9,372
Amortization of Secured Borrowing Facility upfront fee | 1,117 | 1,128 | 1,316
Amortization of deferred loan origination costs and loan premium/(discounts), net | 13,049 | 10,905 | 8,258
Net amortization of discount on investments | 2,069 | 1,712 | 2,082
Reduction of tax indemnification receivable | 11,649 | 92,815 | 31,888
Depreciation of premises and equipment | 14,669 | 13,829 | 11,171
Stock-based compensation expense | 30,600 | 31,524 | 27,899
Unrealized (gains) losses on derivative and hedging activities, net | (19,046) | (1,353) | 7,248
Gains on sale of loans, net | 0 | (2,060) | 0
Losses on sales of securities, net | 0 | 1,549 | 0
Other adjustments to net income, net | 3,724 | 7,446 | 6,305
Changes in operating assets and liabilities: |  |  |
Increase in accrued interest receivable | (963,885) | (864,461) | (703,081)
Increase in non-marketable securities | (10,700) | (5,000) | 0
(Increase) decrease in other interest-earning assets | (25,407) | (5,571) | 27,528
Decrease in tax indemnification receivable | 0 | 35,989 | 59,633
Increase in other assets | (3,091) | (64,777) | (72,646)
Decrease in income tax payable, net | (30,191) | (79,693) | (19,687)
Increase in accrued interest payable | 13,817 | 25,979 | 14,304
Increase in other liabilities | 5,386 | 15,204 | 1,304
Total adjustments | (593,917) | (590,217) | (460,093)
Total net cash used in operating activities | (15,641) | (102,741) | (171,159)
Investing activities |  |  |
Loans acquired and originated | (6,138,105) | (6,493,367) | (5,243,732)
Net proceeds from sales of loans held for investment | 0 | 44,832 | 6,992
Proceeds from claim payments | 42,869 | 54,659 | 49,146
Net decrease in loans held for investment | 4,094,021 | 3,076,992 | 2,065,727
Purchases of available-for-sale securities | (356,414) | (15,876) | (78,327)
Proceeds from sales and maturities of available-for-sale securities | 50,915 | 77,897 | 40,044
Total net cash used in investing activities | (2,306,714) | (3,254,863) | (3,160,150)
Financing activities |  |  |
Brokered deposit placement fee | (27,978) | (25,785) | (12,200)
Net increase in certificates of deposit | 4,349,741 | 2,525,040 | 1,579,615
Net increase in other deposits | 923,793 | 918,420 | 508,389
Borrowings collateralized by loans in securitization trusts - issued | 1,105,594 | 1,891,027 | 1,440,127
Borrowings collateralized by loans in securitization trusts - repaid | (1,042,892) | (888,640) | (534,905)
Borrowings under Secured Borrowing Facility | 297,800 | 300,000 | 300,000
Repayment of borrowings under Secured Borrowing Facility | (8,570) | (300,000) | (300,000)
Fees paid - Secured Borrowing Facility | (1,116) | (1,098) | (1,281)
Issuance costs for unsecured debt offering | 0 | 0 | (1,057)
Unsecured debt issued | 0 | 0 | 197,000
Redemption of Series A Preferred Stock | 0 | 0 | (165,000)
Common stock dividends paid | (51,114) | 0 | 0
Preferred stock dividends paid | (16,837) | (15,640) | (15,714)
Common stock repurchased | (167,201) | 0 | 0
Net cash provided by financing activities | 5,361,220 | 4,403,324 | 2,994,974
Net increase (decrease) in cash, cash equivalents and restricted cash | 3,038,865 | 1,045,720 | (336,335)
Cash, cash equivalents and restricted cash at beginning of year | 2,681,895 | 1,636,175 | 1,972,510
Cash, cash equivalents and restricted cash at end of year | 5,720,760 | 2,681,895 | 1,636,175
Cash disbursements made for: |  |  |
Interest | 666,018 | 472,459 | 269,017
Income taxes paid | 201,792 | 228,074 | 282,278
Income taxes refunded | (853) | (13,449) | (1,401)
Reconciliation of the Consolidated Statements of Cash Flows to the Consolidated Balance Sheets: |  |  |
Total cash, cash equivalents and restricted cash | $ 2,681,895 | $ 1,636,175 | $ 1,636,175

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- Definition The net cash outflow or inflow for the increase (decrease) in other interest earning assets not separately disclosed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 230 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6477933&loc=d3e60009-112784 + Details
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- Definition The cash outflow to reacquire common stock during the period. + 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 (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. + 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 (e) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + 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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