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Consolidated Statements Of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Operating Activities |  |  |
Net income | $ 69,014,000 | $ 59,486,000 | $ 57,203,000
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Originations of mortgage loans held for sale | (436,740,000) | (654,097,000) | (282,443,000)
Proceeds from the sale of mortgage loans | 484,718,000 | 640,841,000 | 281,207,000
Gain on sale of mortgage loans, net of origination costs | (13,265,000) | (15,328,000) | (6,365,000)
(Credit) provision for credit losses | (3,190,000) | 12,418,000 | 2,861,000
Depreciation and amortization expense | 3,708,000 | 3,828,000 | 3,891,000
Investment securities amortization and accretion, net | 6,722,000 | 4,803,000 | 2,997,000
Stock-based compensation expense | 2,381,000 | 1,785,000 | 1,885,000
Amortization of core deposit intangible assets | 655,000 | 682,000 | 705,000
Purchase accounting accretion, net | (699,000) | (1,304,000) | (1,483,000)
Net decrease (increase) in derivative collateral posted | 26,700,000 | (26,540,000) | (26,240,000)
Increase (decrease) in other assets | 2,669,000 | (10,912,000) | (1,005,000)
Increase (decrease) in other liabilities | 43,000 | 2,568,000 | (342,000)
Net cash provided by operating activities | 142,716,000 | 18,230,000 | 32,871,000
Investing Activities |  |  |
Proceeds from available-for-sale debt securities | 321,625,000 | 264,124,000 | 355,611,000
Purchase of available-for-sale debt securities | (758,847,000) | (433,418,000) | (339,286,000)
Net increase in loans | (212,117,000) | (125,572,000) | (70,714,000)
Purchase of Federal Home Loan Bank stock | (68,000) | (9,231,000) | (13,688,000)
Proceeds from sale of Federal Home Loan Bank | 1,329,000 | 9,665,000 | 15,645,000
Purchase of premises and equipment | (1,852,000) | (2,926,000) | (4,267,000)
Proceeds from other investments | 0 | 1,712,000 | 0
Recoveries of previously charged-off loans | 372,000 | 1,084,000 | 310,000
Proceeds from sale of other real estate owned | 465,000 | 110,000 | 554,000
Net cash used in investing activities | (649,093,000) | (294,452,000) | (55,835,000)
Financing Activities |  |  |
Net increase in deposits | 603,645,000 | 467,519,000 | 73,335,000
Net proceeds from (repayments of) borrowings less than 90 days | 49,169,000 | (106,370,000) | (2,059,000)
Proceeds from Federal Home Loan Bank long-term advances | 0 | 25,000,000 | 0
Repayments of Federal Home Loan Bank long-term advances | (25,000,000) | (10,000,000) | 0
Repayment of subordinated debt | (15,000,000) | 0 | 0
Common stock repurchases | (10,090,000) | (9,689,000) | (20,795,000)
Exercise of stock options and issuance of restricted stock, net of repurchase for tax withholdings | (263,000) | (116,000) | (202,000)
Cash dividends paid on common stock | (21,081,000) | (19,842,000) | (18,572,000)
Finance lease payments | (152,000) | (142,000) | (106,000)
Net cash provided by financing activities | 581,228,000 | 346,360,000 | 31,601,000
Net increase in cash, cash equivalents and restricted cash | 74,851,000 | 70,138,000 | 8,637,000
Cash, cash equivalents and restricted cash at beginning of year | 145,774,000 | 75,636,000 | 66,999,000
Cash, cash equivalents and restricted cash at end of year | 220,625,000 | 145,774,000 | 75,636,000
Supplemental information |  |  |
Interest paid | 11,192,000 | 21,505,000 | 41,374,000
Income taxes paid | 18,502,000 | 15,660,000 | 13,542,000
Transfer from premises to other real estate owned | 204,000 | 24,000 | 0
Transfer from loans to other real estate owned | 0 | 236,000 | 543,000
Unsettled common stock repurchase | $ 0 | $ 11,000 | $ 0

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- Definition The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans made to finance real estate acquisitions. This element refers to the gain (loss) and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 310 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123605502&loc=d3e21310-158488 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 310 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123605502&loc=d3e21286-158488 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 310 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123605549&loc=d3e21493-158490 + Details
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