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Condensed Financial Information of Parent Company - Condensed Statements of Cash Flows (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Adjustments to reconcile net earnings to cash used in operating activities: |  |  |
Stock-based compensation | $ 9,439 | $ 7,901 | $ 5,183
Total adjustments | 74,197 | 38,306 | (17,279)
Net cash provided by operating activities | 295,632 | 273,731 | 195,242
Cash Flows from Investing Activities |  |  |
Net cash provided by (used in) investing activities | 536,276 | (1,176,966) | (1,730,491)
Cash Flows from Financing Activities |  |  |
Cash dividends on common stock | (111,686) | (104,439) | (97,733)
Proceeds from exercise of stock options | 210 | 1,923 | 1,277
Repurchase of common stock | (21,216) | (46,330) | (8,337)
Net cash (used in) provided by financing activities | (754,084) | (625,852) | 1,309,637
Net increase (decrease) in cash and cash equivalents | 77,824 | (1,529,087) | (225,612)
Cash and cash equivalents, beginning of period | 203,461 |  |
Cash and cash equivalents, end of period | 281,285 | 203,461 |
Parent Company [Member] |  |  |
Cash Flows from Operating Activities |  |  |
Net earnings | 234,124 | 235,425 | 212,521
Adjustments to reconcile net earnings to cash used in operating activities: |  |  |
Earnings of subsidiaries | (226,932) | (240,512) | (217,099)
Tax settlement received from the Bank | 2,265 | 0 | 7,659
Stock-based compensation | 9,439 | 7,901 | 5,183
Other operating activities, net | 1,797 | (1,136) | (888)
Total adjustments | (217,025) | (233,747) | (205,145)
Net cash provided by operating activities | 17,099 | 1,678 | 7,376
Cash Flows from Investing Activities |  |  |
Dividends received from the Bank | 127,000 | 195,000 | 129,000
Net cash provided by (used in) investing activities | 127,000 | 195,000 | 129,000
Cash Flows from Financing Activities |  |  |
Repayment of junior subordinated debentures | 0 | 0 | (25,774)
Cash dividends on common stock | (111,686) | (104,439) | (97,733)
Proceeds from exercise of stock options | 210 | 1,923 | 1,277
Repurchase of common stock | (21,216) | (46,330) | (8,337)
Repurchase of common stock, ASR | 0 | (70,000) | (0)
Net cash (used in) provided by financing activities | (132,692) | (218,846) | (130,567)
Net increase (decrease) in cash and cash equivalents | 11,407 | (22,168) | 5,809
Cash and cash equivalents, beginning of period | 39,285 | 61,453 | 55,644
Cash and cash equivalents, end of period | $ 50,692 | $ 39,285 | $ 61,453

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