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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

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- Definition Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-15 + Details
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- Definition The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-13 + Details
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- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 14 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-14 + Details
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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-03(i)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479886/946-10-S99-3 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-14 + Details
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- Definition The cash inflow from the sale assets received in full or partial satisfaction of a receivable including real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts. Foreclosed assets also include loans that are treated as if the underlying collateral had been foreclosed because the institution has taken possession of the collateral, even though legal foreclosure or repossession proceedings have not taken place. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-12 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-03(i)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479886/946-10-S99-3 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-15 + Details
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