Annual report pursuant to Section 13 and 15(d)

PARENT COMPANY FINANCIAL INFORMATION (CONDENSED STATEMENTS OF CASH FLOWS) (Details)

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PARENT COMPANY FINANCIAL INFORMATION (CONDENSED STATEMENTS OF CASH FLOWS) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Operating activities:      
Net income $ 201,818 $ 234,510 $ 263,917
Adjustments to reconcile net income to net cash provided by operating activities:      
Depreciation of premises and equipment 12,913 14,157 15,885
Acquisition accounting amortization, net 4,788 3,297 (2,953)
Net decrease (increase) in other assets (48,351) (39,502) 83,248
Net increase in other liabilities 21,861 109,205 (135,629)
Net cash provided by operating activities 263,972 403,965 337,791
Investing activities:      
Proceeds from sale of former bank premises 56,462 13,538 11,315
Net cash used in investing activities (589,205) (1,261,700) (345,442)
Financing activities:      
Repayments of long-term borrowings 0 0 (364,695)
Net proceeds from issuance of long-term borrowings 0 0 246,869
Issuance of common stock 778 3,875 3,141
Vesting of restricted stock, net of shares held for taxes (2,494) (3,228) (2,580)
Net cash used in financing activities 383,416 375,182 316,858
Increase (decrease) in cash and cash equivalents 58,183 (482,553) 309,207
Cash, cash equivalents, and restricted cash at beginning of the period 319,948 802,501 493,294
Cash, cash equivalents, and restricted cash at end of the period 378,131 319,948 802,501
Parent Company      
Operating activities:      
Net income 201,818 234,510 263,917
Adjustments to reconcile net income to net cash provided by operating activities:      
Equity in undistributed net income of subsidiaries (103,734) (145,985) (158,702)
Non-cash dividend 0 (27,215) 0
Depreciation of premises and equipment 0 0 414
Write-down of corporate facilities 0 0 7,429
Acquisition accounting amortization, net 851 829 806
Issuance of common stock for services 735 819 567
Net decrease (increase) in other assets 3,256 (9,663) (10,726)
Net increase in other liabilities 24,302 11,370 12,944
Net cash provided by operating activities 127,228 64,665 116,649
Investing activities:      
Proceeds from sale of former bank premises 0 2,524 0
Increase in equity method investments (7,363) (8,830) (4,188)
Net cash used in investing activities (7,363) (6,306) (4,188)
Financing activities:      
Repayments of long-term borrowings 0 0 (150,000)
Net proceeds from issuance of long-term borrowings 0 0 246,869
Cash dividends paid - common stock (91,417) (86,899) (84,307)
Cash dividends paid - preferred stock (11,868) (11,868) (11,868)
Repurchase of common stock 0 (48,231) (125,000)
Issuance of common stock 778 3,875 3,141
Vesting of restricted stock, net of shares held for taxes (2,494) (3,228) (2,580)
Net cash used in financing activities (105,001) (146,351) (123,745)
Increase (decrease) in cash and cash equivalents 14,864 (87,992) (11,284)
Cash, cash equivalents, and restricted cash at beginning of the period 17,472 105,464 116,748
Cash, cash equivalents, and restricted cash at end of the period $ 32,336 $ 17,472 $ 105,464