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Consolidated Statements of Cash Flows $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Cash Flows from Operating Activities |  |  |
Net income | $ 279,135 | $ 271,885 | $ 176,042
Reversal for credit losses | (7,000) | (4,500) | (2,500)
Provision for losses on other real estate owned | 681 | 0 | 691
Deferred tax provision | 9,825 | 2,343 | 34,554
Depreciation and amortization | 6,756 | 7,314 | 7,265
Amortization of right-of-use asset | 8,366 | 0 | 0
Change in operating lease liabilities | (7,157) | 0 | 0
Net gains on sale and transfers of other real estate owned | (212) | (1,187) | (2,661)
Net gains on sale of loans | (804) | 0 | 0
Proceeds from sale of loans | 75,257 | 8,000 | 7,500
Originations of loans held for sale | (2,241) | 0 | 0
Loss on sales or disposal of fixed assets | 14 | 107 | 0
Amortization of alternative energy partnerships, venture capital and other investments | 39,898 | 40,871 | 4,572
Gain on sales and calls of securities | (211) | (22) | (1,006)
Other non-cash interest income | 0 | (1,576) | (1,740)
Amortization of security premiums, net | 3,834 | 3,018 | 2,945
(Gain)/loss on equity securities | (5,736) | 2,787 | 0
Stock based and stock issued to officers and directors compensation expense | 7,350 | 7,974 | 5,734
Net change in accrued interest receivable and other assets | 6,163 | (13,984) | 25,747
Gain from acquisition | 0 | (340) | (5,628)
Net change in other liabilities | 21,061 | 13,848 | (2,641)
Net cash provided by operating activities | 434,979 | 336,538 | 248,874
Cash Flows from Investing Activities |  |  |
Decrease in interest bearing deposits | 0 | 5,000 | 0
Purchase of investment securities available-for-sale | (770,206) | (497,787) | (607,574)
Proceeds from repayment, maturity and call of investment securities available-for-sale | 296,721 | 447,773 | 562,595
Proceeds from sale of investment securities available-for-sale | 293,849 | 99,899 | 111,704
Proceeds from sale of equity securities | 2,829 | 0 | 0
Purchase of Federal Home Loan Bank stock | (1,815) | (5,430) | (8,160)
Redemption of Federal Home Loan Bank stock | 975 | 11,265 | 13,482
Redemption of Federal Reserve Bank stock | 0 | 0 | 8,733
Net increase in loans | (1,147,019) | (1,125,623) | (963,858)
Purchase of premises and equipment | (7,133) | (6,670) | (3,188)
Proceeds from sales of premises and equipment | 0 | 0 | 5,598
Proceeds from sales of other real estate owned | 2,822 | 3,820 | 18,357
Increase in investment in affordable housing and alternative energy partnerships | (52,697) | (66,574) | (40,284)
Acquisitions, net of cash acquired | 0 | 0 | (1,392)
Net cash used in investing activities | (1,381,674) | (1,134,327) | (903,987)
Cash Flows from Financing Activities |  |  |
Net increase in deposits | 989,942 | 1,012,284 | 201,224
Net decrease in federal funds purchased and securities sold under agreements to repurchase | 0 | (100,000) | (250,000)
Advances from Federal Home Loan Bank | 4,355,000 | 5,130,000 | 4,823,000
Repayment of Federal Home Loan Bank borrowings | (4,215,000) | (5,030,000) | (4,773,000)
Cash dividends | (99,131) | (83,428) | (69,888)
Purchase of treasury stock | (36,301) | (42,648) | 0
Proceeds from issuance of short-term borrowings | 25,683 | 0 | 0
Proceeds from issuance of long-term debt and other borrowings | 0 | 0 | 75,000
Repayment of long-term debt and other borrowings | (81,065) | (23,040) | 0
Proceeds from shares issued to Dividend Reinvestment Plan | 3,366 | 2,822 | 2,528
Proceeds from exercise of stock options | 0 | 838 | 1,094
Taxes paid related to net share settlement of RSUs | (2,311) | (3,550) | (5,128)
Net cash provided by financing activities | 940,183 | 863,278 | 4,830
Increase/(Decrease) in cash, cash equivalents and restricted cash | (6,512) | 65,489 | (650,283)
Cash, cash equivalents and restricted cash, beginning of the year | 600,290 | 534,801 | 1,185,084
Cash, cash equivalents and restricted cash, end of the year | 593,778 | 600,290 | 534,801
Supplemental disclosure of cash flow information |  |  |
Interest | 182,527 | 116,524 | 81,069
Income taxes | 61,548 | 65,866 | 76,709
Non-cash investing and financing activities: |  |  |
Net change in unrealized holding (loss)/gain on securities available-for-sale, net of tax | 23,479 | (7,949) | 485
Net change in unrealized gain on interest rate swaps designated as cash flow hedges | (3,171) | 1,525 | 719
Transfers to other real estate owned from loans held for investment | 860 | 5,476 | 1,243
Loans transferred to loans held for sale | 75,285 | 0 | 8,000
Loans to facilitate the sale of other real estate owned | 0 | 0 | 10,500
Issuance of stock related to acquisition | 0 | 0 | 34,862
Business Acquired During the Period [Member] |  |  |
Supplemental disclosure for acquisitions |  |  |
Cash and cash equivalents | 0 | 0 | 283,932
Short-term investments | 0 | 0 | 5,000
Securities available-for-sale | 0 | 0 | 88,044
FHLB and FRB stock | 0 | 0 | 19,890
Loans | 0 | 0 | 705,792
Premises and equipment | 0 | 0 | 6,239
Cash surrender value of life insurance | 0 | 0 | 46,083
Deferred tax assets, net | 0 | 0 | 40,690
Core deposit intangible | 0 | 0 | 6,122
Accrued interest receivable and other assets | 0 | 0 | 10,689
Total assets acquired | 0 | 0 | 1,212,481
Deposits | 0 | 0 | 813,888
Advances from Federal Home Loan Bank | 0 | 0 | 30,000
Accrued interest payable and other liabilities | 0 | 0 | 8,512
Total liabilities assumed | 0 | 0 | 852,400
Net assets acquired | 0 | 0 | 360,081
Cash paid | 0 | 0 | 285,324
Fair value of common stock issued | 0 | 0 | 34,862
Total consideration paid | $ 0 | $ 0 | $ 320,186

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- Definition Amount of cash inflow from Federal Home Loan Bank (FHLBank) borrowing, classified as financing activity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow from capital contributions to an entity associated with a dividend reinvestment plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow from maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=118954083&loc=d3e26853-111562 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3151-108585 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
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- Definition The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=118954083&loc=d3e26853-111562 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
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- Definition Amount of cash inflow from sale of 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 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
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- Definition The cash inflow associated with the sale of other real estate not otherwise defined in the taxonomy. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
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- Definition The cash inflow associated with the sale of securities classified as trading securities and held for investment purposes. Excludes proceeds from trading securities purchased and held principally for the purpose of selling them in the near term (thus held for only a short period of time). + References No definition available. + Details
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- Definition The cash inflow from a borrowing having initial term of repayment within one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow from exercise of option under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116856206&loc=SL79508275-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition Amount of expense related to estimated loss from loan and lease transactions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 + Details
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- Definition Amount of cash outflow for repayment of Federal Home Loan Bank (FHLBank) borrowing, classified as financing activity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow for the payment of debt classified as other. + 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 (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition Value of loans held-for-sale transferred to loans held in the entity's portfolio in noncash transactions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586 + Details
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