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CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2021 | Sep. 30, 2020
Cash flows from operating activities: |  |  |
Net income |  | $ 71,450 | $ 59,745
Adjustments to reconcile net income to net cash from operating activities: |  |  |
Depreciation |  | 4,555 | 4,477
Provision for credit losses | [1] | 1,077 |
Provision for credit losses | [1] |  | 13,850
Gain on sale and write down of other real estate owned |  | (53) | 0
Amortization of loan servicing rights |  | 1,697 | 563
Net change in loan servicing rights valuation allowance |  | (197) | 628
Loans originated for sale, including participations |  | (92,728) | (93,805)
Net gain on sales of loans |  | (3,609) | (3,286)
Proceeds from sale of loans, including participations |  | 98,655 | 90,568
Net (gain) loss on sales of premises and equipment |  | 4 | 82
Net gain on sales and calls of securities available-for-sale |  | (797) | (363)
Net securities amortization |  | 3,457 | 3,021
Stock based compensation expense |  | 6,135 | 822
Earnings on life insurance |  | (2,101) | (1,476)
Gain on life insurance |  | (404) | (576)
Tax benefit of stock award issuances |  | (266) | (71)
Net change: |  |  |
Interest receivable and other assets |  | (2,090) | (3,987)
Interest payable and other liabilities |  | 1,196 | (8,927)
Total adjustments |  | 14,531 | 1,520
Net cash from operating activities |  | 85,981 | 61,265
Cash flows from investing activities: |  |  |
Proceeds from sale of securities available- for-sale |  | 13,964 | 6,413
Proceeds from maturities, calls and principal paydowns of securities available-for-sale |  | 102,399 | 69,259
Purchases of securities available-for-sale |  | (640,364) | (89,934)
Purchase of life insurance |  | (648) | (361)
Net (increase) decrease in total loans |  | 410,323 | (527,886)
Proceeds from sales of land, premises and equipment |  | 6 | 651
Purchases of land, premises and equipment |  | (5,265) | (5,154)
Proceeds from sales of other real estate |  | 946 | 0
Proceeds from life insurance |  | 931 | 1,285
Net cash from investing activities |  | (117,708) | (545,727)
Cash flows from financing activities: |  |  |
Net increase in total deposits |  | 377,833 | 634,135
Net increase (decrease) in short-term borrowings |  | (10,500) | 10,500
Payments on short-term FHLB borrowings |  | 0 | (170,000)
Proceeds from long-term FHLB borrowings |  | 0 | 75,000
Common dividends paid |  | (25,973) | (22,938)
Preferred dividends paid |  | (13) | (13)
Payments related to equity incentive plans |  | (1,818) | (2,030)
Purchase of treasury stock |  | (496) | (10,492)
Net cash from financing activities |  | 339,033 | 514,162
Net change in cash and cash equivalents |  | 307,306 | 29,700
Cash and cash equivalents at beginning of the period |  | 249,927 | 99,381
Cash and cash equivalents at end of the period |  | 557,233 | 129,081
Cash paid during the period for: |  |  |
Interest |  | 14,859 | 30,255
Income taxes |  | 20,637 | 14,380
Supplemental non-cash disclosures: |  |  |
Loans transferred to other real estate owned |  | 893 | 35
Securities purchases payable |  | $ 4,982 | $ 7,712
[1] | Beginning January 1, 2021 calculation is based on the current expected credit loss methodology. Prior to January 1, 2021 calculation was based on the incurred loss methodology.

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- Definition Value transferred from mortgage loans to real estate owned (REO) 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 4 -URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4313-108586 Reference 2: 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=123431023&loc=d3e4304-108586 Reference 3: 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=123431023&loc=d3e4332-108586 + Details
Name: | us-gaap_TransferToOtherRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration