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v3.20.4

Parent Company Financial Information- Cash flow (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Net Cash Provided by (Used in) Operating Activities [Abstract] |  |  |
Net Income | $ 132,217 | $ 142,943 | $ 152,276
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Net tax benefits from stock compensation | 118 | (48) | 110
Securities premium amortization (discount accretion), net | 8,196 | 5,186 | 4,445
Increase in other assets | (28,626) | (21,421) | (16,643)
(Decrease) increase in other liabilities | 9,826 | 19,809 | 2,061
Net cash provided by operating activities | 133,139 | 132,684 | 165,455
Cash Flows From Investing Activities: |  |  |
Purchases of available-for-sale investment securities | (739,955) | (374,648) | (331,884)
Proceeds from maturities of available-for-sale securities | 302,471 | 214,204 | 93,848
Net cash used in investing activities | (557,676) | (637,127) | (784,801)
Cash Flows From Financing Activities: |  |  |
Proceeds from exercise of stock options | 63 | 332 | 776
Proceeds from employee stock purchase plan | 760 | 782 | 808
Common stock repurchased | 61,432 | 54,903 | 0
Cash dividends paid | 28,330 | 22,332 | 0
Net cash provided by financing activities | 1,971,619 | 424,552 | 750,737
Net (Decrease) Increase In Cash and Cash Equivalents | 1,547,082 | (79,891) | 131,391
Cash and Cash Equivalents at Beginning of Period | 241,973 | 321,864 | 190,473
Cash and Cash Equivalents at End of Period | 1,789,055 | 241,973 | 321,864
Depreciation and amortization | 4,696 | 6,174 | 6,969
Parent Company |  |  |
Net Cash Provided by (Used in) Operating Activities [Abstract] |  |  |
Net Income | 132,217 | 142,943 | 152,276
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Equity in undistributed income of subsidiary | (6,191) | (70,396) | (163,393)
Net tax benefits from stock compensation | 118 | 10 | 110
Securities premium amortization (discount accretion), net | 6 | 2 | 0
Increase in other assets | (48,966) | (21,447) | (2,508)
(Decrease) increase in other liabilities | 6,823 | 2,460 | (61)
Net cash provided by operating activities | 84,397 | 53,572 | (13,576)
Cash Flows From Investing Activities: |  |  |
Purchases of available-for-sale investment securities | (10,000) | (7,030) | 0
Proceeds from maturities of available-for-sale securities | 613 | 0 | 0
Investment in subsidiary (net) | 0 | 0 | 6,892
Net cash used in investing activities | (9,387) | (7,030) | 6,892
Cash Flows From Financing Activities: |  |  |
Proceeds from exercise of stock options | 63 | 332 | 776
Proceeds from employee stock purchase plan | 760 | 782 | 808
Common stock repurchased | (61,432) | (54,903) | 0
Cash dividends paid | (28,330) | (22,332) | 0
Net cash provided by financing activities | (88,939) | (76,121) | 1,584
Net (Decrease) Increase In Cash and Cash Equivalents | (13,929) | (29,579) | (5,100)
Cash and Cash Equivalents at Beginning of Period | 43,204 | 72,783 | 77,883
Cash and Cash Equivalents at End of Period | 29,275 | 43,204 | 72,783
Depreciation and amortization | $ 390 | $ 0 | $ 0

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