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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Cash Flows from Operating Activities |  |  |
Net income | $ 132,578 | $ 79,327 | $ 71,695
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |  |
Provision for credit losses on loans and leases | 62,774 | 24,227 | 5,642
Depreciation and amortization | 30,537 | 22,879 | 14,157
Impairment of software | 3,721 | 0 | 0
Share-based compensation expense | 12,883 | 9,851 | 9,740
Deferred taxes | (17,966) | 14,516 | 9,303
Net amortization (accretion) of investment securities premiums and discounts | (443) | 1,016 | 1,403
Unrealized (gain) loss on investment securities | (1,447) | (1,299) | 1,634
(Gain) loss on sale of investment securities | (20,078) | (1,001) | 18,659
Loss upon acquisition of interest-only GNMA securities | 0 | 7,476 | 0
Fair value adjustment on loans held for sale | 2,565 | 0 | 0
(Gain) loss on sale of SBA and other loans | (3,558) | (2,804) | (3,913)
Origination of loans held for sale | (74,828) | (48,044) | (31,699)
Proceeds from the sale of loans held for sale | 72,999 | 47,455 | 32,676
Amortization (accretion) of fair value discounts and premiums | (2,381) | 893 | 194
Net (gain) loss on sales of other real estate owned | 50 | 137 | 183
Valuation and other adjustments to other real estate owned | 0 | 62 | 153
Earnings on investment in bank-owned life insurance | (7,009) | (7,272) | (7,620)
(Increase) decrease in accrued interest receivable and other assets | (95,833) | (84,141) | (34,614)
Increase (decrease) in accrued interest payable and other liabilities | 38,461 | 15,002 | 9,881
Net Cash Provided by (Used in) Operating Activities | 133,025 | 78,280 | 97,474
Cash Flows from Investing Activities |  |  |
Proceeds from maturities, calls and principal repayments on investment securities | 236,101 | 38,709 | 44,313
Proceeds from sales of investment securities available for sale | 387,810 | 97,555 | 476,182
Purchases of investment securities available for sale | (1,201,913) | 0 | (763,242)
Origination of mortgage warehouse loans | (60,948,107) | (31,782,542) | (27,209,330)
Proceeds from repayments of mortgage warehouse loans | 59,582,277 | 30,900,905 | 27,597,318
Net (increase) decrease in loans and leases, excluding mortgage warehouse loans | (4,220,617) | 239,018 | 59,534
Proceeds from sale of loans and leases | 26,362 | 273,388 | 110,526
Purchase of loans | (270,959) | (1,167,417) | (397,888)
Proceeds from bank-owned life insurance | 0 | 0 | 529
Net proceeds from (purchases of) FHLB, Federal Reserve Bank, and other restricted stock | 12,846 | 5,471 | 16,233
Purchases of bank premises and equipment | (4,742) | (1,705) | (1,777)
Proceeds from sales of other real estate owned | 97 | 735 | 2,213
Purchases of university relationship intangible asset | 0 | 0 | (1,502)
Purchases of leased assets under lessor operating leases | (24,124) | (48,552) | (37,207)
Net Cash Provided By (Used in) Investing Activities | (6,424,969) | (1,444,435) | (104,098)
Cash Flows from Financing Activities |  |  |
Net increase (decrease) in deposits | 2,660,993 | 1,506,700 | 342,094
Net increase (decrease) in short-term borrowed funds from the FHLB | 0 | (748,070) | (363,790)
Net increase (decrease) in federal funds purchased | (288,000) | 351,000 | 32,000
Net increase (decrease) in borrowed funds from PPP liquidity facility | 4,415,016 | 0 | 0
Proceeds from long-term borrowed funds from the FHLB | 0 | 350,000 | 0
Proceeds from issuance of subordinated long-term debt | 0 | 72,030 | 0
Proceeds from issuance of other long-term borrowings | 0 | 24,477 | 0
Repayments of other borrowings | 0 | (25,000) | (63,250)
Preferred stock dividends paid | (14,076) | (14,459) | (14,459)
Exercise and redemption of warrants | 0 | 0 | 112
Purchase of treasury stock | 0 | (571) | (12,976)
Payments of employee taxes withheld from share-based awards | (2,063) | (1,732) | (880)
Proceeds from issuance of common stock | 923 | 2,150 | 3,585
Net Cash Provided by (Used in) Financing Activities | 6,772,793 | 1,516,525 | (77,564)
Net Increase (Decrease) in Cash and Cash Equivalents | 480,849 | 150,370 | (84,188)
Cash and Cash Equivalents – Beginning | 212,505 | 62,135 | 146,323
Cash and Cash Equivalents – Ending | 693,354 | 212,505 | 62,135
Supplementary Cash Flow Information: |  |  |
Interest paid | 131,363 | 182,596 | 160,384
Income taxes paid | 3,253 | 7,410 | 4,794
Noncash Operating and Investing Activities: |  |  |
Transfer of loans to other real estate owned | 31 | 291 | 1,639
Transfer of loans held for investment to held for sale | 74,050 | 499,774 | 0
Transfer of multi-family loans held for sale to held for investment | 401,144 | 0 | 129,691
Unsettled purchases of investment securities | 2,244 | 0 | 0
Acquisition of interest-only GNMA securities securing a mortgage warehouse loan | 0 | 17,157 | 0
Acquisition of residential reverse mortgage loans securing a mortgage warehouse loan | $ 0 | $ 1,325 | $ 0

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- Definition Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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- Definition The cash outflow for payments to acquire rented equipment which is recorded as an asset. + 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 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 + Details
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- Definition The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill. + 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 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 + Details
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