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CONSOLIDATED STATEMENTS OF CASH FLOWS $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Operating activities |  |  |
Net income | $ 1,160,513 | $ 880,690 | $ 578,276
Adjustments to reconcile net income to net cash used in operating activities: |  |  |
Provisions for credit losses | (32,957) | 93,133 | 354,249
Deferred tax provision (benefit) | 55,372 | 72,776 | (9,714)
Amortization of brokered deposit placement fee | 15,516 | 19,401 | 17,788
Amortization of Secured Borrowing Facility upfront fee | 2,415 | 2,976 | 1,117
Amortization of deferred loan origination costs and loan premium/(discounts), net | 16,103 | 24,152 | 13,049
Net amortization of discount on investments | 7,310 | 6,350 | 2,069
Reduction of tax indemnification receivable | 10,445 | 9,066 | 11,649
Depreciation of premises and equipment | 16,043 | 15,066 | 14,669
Stock-based compensation expense | 30,649 | 36,464 | 30,600
Unrealized (gains) losses on derivative and hedging activities, net | 23,249 | (10,333) | (19,046)
Gains on sale of loans, net | (548,315) | (238,315) | 0
Gain on sale of Upromise subsidiary, net | 0 | (11,331) | 0
Other adjustments to net income, net | (23,410) | 8,810 | 3,724
Changes in operating assets and liabilities: |  |  |
Increase in accrued interest receivable | (743,757) | (876,703) | (963,885)
Increase in non-marketable securities | (9,969) | (839) | (10,700)
Decrease (increase) in other interest-earning assets | 33,219 | 9,690 | (25,407)
Increase in other assets | (123,268) | (50,454) | (3,091)
Increase (decrease) in income tax payable, net | 72,191 | (45,611) | (30,191)
(Decrease) increase in accrued interest payable | (13,672) | (14,602) | 13,817
Decrease in Upromise member accounts due to sale | 0 | (193,840) | 0
Increase in other liabilities | 2,801 | 80,785 | 5,386
Total adjustments | (1,210,035) | (1,063,359) | (593,917)
Total net cash used in operating activities | (49,522) | (182,669) | (15,641)
Investing activities |  |  |
Loans acquired and originated | (5,511,845) | (5,378,283) | (6,138,105)
Net proceeds from sales of loans held for investment | 4,642,505 | 3,875,737 | 0
Proceeds from claim payments | 19,386 | 28,709 | 42,869
Net decrease in loans held for investment | 3,845,990 | 3,832,991 | 4,094,021
Purchases of available-for-sale securities | (1,257,129) | (2,083,261) | (356,414)
Proceeds from sales and maturities of available-for-sale securities | 865,766 | 654,515 | 50,915
Proceeds from the sale of Upromise subsidiary, net | 0 | 16,922 | 0
Total net cash provided by (used in) investing activities | 2,604,673 | 947,330 | (2,306,714)
Financing activities |  |  |
Brokered deposit placement fee | (12,565) | (4,810) | (27,978)
Net (decrease) increase in certificates of deposit | (2,130,728) | (2,428,094) | 4,349,741
Net increase in other deposits | 393,306 | 704,382 | 923,793
Borrowings collateralized by loans in securitization trusts - issued | 1,585,125 | 1,338,641 | 1,105,594
Borrowings collateralized by loans in securitization trusts - repaid | (1,143,738) | (1,003,327) | (1,042,892)
Borrowings under Secured Borrowing Facility | 0 | 0 | 297,800
Repayment of borrowings under Secured Borrowing Facility | 0 | (289,230) | (8,570)
Fees paid - Secured Borrowing Facility | (2,846) | (3,256) | (1,116)
Unsecured debt issued | 492,135 | 495,000 | 0
Unsecured debt repaid | (202,784) | 0 | 0
Preferred stock dividends paid | (4,736) | (9,734) | (16,837)
Repurchase of Series B Preferred Stock | 0 | (68,055) | 0
Common stock dividends paid | (60,462) | (46,351) | (51,114)
Common stock repurchased | (1,530,683) | (558,167) | (167,201)
Net cash (used in) provided by financing activities | (2,619,516) | (1,875,712) | 5,361,220
Net (decrease) increase in cash, cash equivalents and restricted cash | (64,365) | (1,111,051) | 3,038,865
Cash, cash equivalents and restricted cash at beginning of year | 4,609,709 | 5,720,760 | 2,681,895
Cash, cash equivalents and restricted cash at end of year | 4,545,344 | 4,609,709 | 5,720,760
Cash disbursements made for: |  |  |
Interest | 359,684 | 517,444 | 666,018
Income taxes paid | 261,473 | 248,122 | 201,792
Income taxes refunded | (8,614) | (6,219) | (853)
Reconciliation of the Consolidated Statements of Cash Flows to the Consolidated Balance Sheets: |  |  |
Cash and cash equivalents | 4,334,603 | 4,455,292 | 5,563,877
Restricted cash | 210,741 | 154,417 | 156,883
Total cash, cash equivalents and restricted cash | 4,545,344 | 4,609,709 | 5,720,760
Collateralized Securities |  |  |
Financing activities |  |  |
Issuance costs for collateralized borrowings and unsecured debt offering | 0 | (1,402) | 0
Unsecured Debt |  |  |
Financing activities |  |  |
Issuance costs for collateralized borrowings and unsecured debt offering | $ (1,540) | $ (1,309) | $ 0

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