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Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Operating activities |  |  |
Net income | $ 167,596,000 | $ 146,920,000 | $ 92,188,000
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Provision for loan losses | 7,050,000 | 6,810,000 | 7,550,000
Depreciation, amortization and accretion | 8,185,000 | 3,496,000 | 4,832,000
Deferred income tax expense | 20,041,000 | 16,444,000 | 23,461,000
Revaluation of net deferred tax assets due to changes in tax law | 0 | 0 | 14,486,000
Funding of mortgage loans held for sale | (2,381,178,000) | (1,763,246,000) | (1,683,454,000)
Proceeds from sales of mortgage loans held for sale | 2,328,607,000 | 1,698,141,000 | 1,775,450,000
Gains on sales of mortgage loans held for sale | (45,854,000) | (40,318,000) | (19,675,000)
Valuation adjustment to mortgage servicing rights | 1,836,000 | 0 | 0
(Gains) losses on sales of securities | (348,000) | 16,000 | (148,000)
Penalty on prepayment of debt | 54,000 | 0 | 205,000
(Gains) losses on sales of premises and equipment | (881,000) | (198,000) | 565,000
Stock-based compensation | 10,196,000 | 7,251,000 | 5,293,000
Net change in other loans held for sale | 59,885,000 | 60,599,000 | 0
Decrease (increase) in other assets | 683,000 | (11,849,000) | (1,139,000)
Decrease in other liabilities | (12,249,000) | (41,954,000) | (12,572,000)
Net cash provided by operating activities | 163,623,000 | 82,112,000 | 207,042,000
Investing activities |  |  |
Purchases of securities available for sale | (492,018,000) | (686,887,000) | (210,190,000)
Proceeds from sales of securities available for sale | 212,485,000 | 2,387,000 | 495,340,000
Proceeds from call/maturities of securities available for sale | 262,287,000 | 160,703,000 | 169,445,000
Proceeds from call/maturities of securities held to maturity | 0 | 0 | 15,882,000
Net increase in loans | (465,182,000) | (115,208,000) | (440,205,000)
Purchases of premises and equipment | (34,966,000) | (22,360,000) | (13,047,000)
Proceeds from sales of premises and equipment | 3,728,000 | 921,000 | 2,101,000
Net change in FHLB stock | (11,315,000) | (4,706,000) | (5,481,000)
Proceeds from sales of other assets | 18,404,000 | 8,361,000 | 14,131,000
Net cash paid in acquisition | (250,000) |  |
Net cash received in acquisition |  | 153,502,000 | 41,685,000
Other, net | 917,000 | 0 | 0
Net cash (used in) provided by investing activities | (505,910,000) | (503,287,000) | 69,661,000
Financing activities |  |  |
Net increase in noninterest-bearing deposits | 233,064,000 | 49,087,000 | 11,588,000
Net (decrease) increase in interest-bearing deposits | (147,139,000) | 447,317,000 | (88,717,000)
Net increase (decrease) in short-term borrowings | 101,385,000 | 263,753,000 | (19,862,000)
Proceeds from long-term debt | 150,000,000 | 0 | 0
Repayment of long-term debt | (35,359,000) | (849,000) | (170,240,000)
Cash paid for dividends | (50,901,000) | (43,614,000) | (34,416,000)
Repurchase of shares in connection with stock repurchase program | (62,944,000) | (7,062,000) | 0
Cash received on exercise of stock options | 0 | 201,000 | 173,000
Net cash provided by (used in) financing activities | 188,106,000 | 708,833,000 | (301,474,000)
Net (decrease) increase in cash and cash equivalents | (154,181,000) | 287,658,000 | (24,771,000)
Cash and cash equivalents at beginning of year | 569,111,000 | 281,453,000 | 306,224,000
Cash and cash equivalents at end of year | 414,930,000 | 569,111,000 | 281,453,000
Supplemental disclosures |  |  |
Cash paid for interest | 98,396,000 | 66,706,000 | 36,888,000
Cash paid for income taxes | 26,727,000 | 24,520,000 | 32,556,000
Noncash transactions: |  |  |
Transfers of loans to other real estate | 4,764,000 | 3,826,000 | 6,699,000
Financed sales of other real estate owned | 611,000 | 531,000 | 773,000
Common stock issued in acquisition of businesses | 0 | 434,519,000 | 213,590,000
Recognition of operating right-of-use assets | 91,181,000 |  |
Recognition of operating lease liabilities | 94,700,000 |  |
Loans Receivable |  |  |
Noncash transactions: |  |  |
Transfers of mortgage loans held for sale to loans held for investment | 134,335,000 | 0 | 0
Mortgage Receivable |  |  |
Noncash transactions: |  |  |
Transfers of mortgage loans held for sale to loans held for investment | $ 189,000 | $ 1,732,000 | $ 563,000

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- Definition Cash outflow representing an adjustment to the purchase price of a previous acquisition. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -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 Amount of cash outflow to acquire Federal Home Loan Bank (FHLB) stock. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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