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Parent Company Only Financial Information (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Condensed Financial Information Disclosure [Abstract] |
CONDENSED BALANCE SHEETS | CONDENSED BALANCE SHEETS
| 2018 |  | 2017
Assets: |  |  |
Cash and cash equivalents | $ | 94,043 |  |  | $ | 64,851 |
Investments in bank | 4,096,349 |  |  | 3,855,483 |
Investments in consolidated subsidiaries | 6,511 |  |  | 6,025 |
Investment in unconsolidated subsidiaries: |  |  |  |  |
Statutory Trusts | 3,995 |  |  | 3,995 |
Other investments | 79,646 |  |  | 69,256 |
Current income tax receivable | 19,032 |  |  | 20,017 |
Other assets | 26,668 |  |  | 29,524 |
| $ | 4,326,244 |  |  | $ | 4,049,151 |
Liabilities and stockholders' equity: |  |  |  |  |
Income taxes payable to subsidiaries | — |  |  | 24 |
Subordinated debt and other borrowings | 357,153 |  |  | 337,818 |
Other liabilities | 3,151 |  |  | 3,357 |
Stockholders' equity | 3,965,940 |  |  | 3,707,952 |
| $ | 4,326,244 |  |  | $ | 4,049,151 |
CONDENSED STATEMENTS OF OPERATIONS | CONDENSED STATEMENTS OF OPERATIONS
| 2018 |  | 2017 |  | 2016
Revenues: |  |  |  |  |  |  |  |
Income from bank subsidiaries | $ | 83,090 |  |  | 63,100 |  |  | 27,663 |
Income from nonbank subsidiaries | 1,214 |  |  | 297 |  |  | 5,198 |
Income from equity method investment | 13,731 |  |  | 10,126 |  |  | 7,663 |
Other income | 266 |  |  | 380 |  |  | 21 |
Expenses: |  |  |  |  |  |  |  |
Interest expense | 11,821 |  |  | 9,856 |  |  | 1,997 |
Personnel expense, including stock compensation | 17,636 |  |  | 16,629 |  |  | 10,971 |
Other expense | 7,194 |  |  | 8,076 |  |  | 3,653 |
Income before income taxes and equity in undistributed income of subsidiaries | 61,650 |  |  | 39,342 |  |  | 23,924 |
Income tax benefit | (8,570 | ) |  | (12,748 | ) |  | (3,428 | )
Income before equity in undistributed income of subsidiaries | 70,220 |  |  | 52,090 |  |  | 27,352 |
Equity in undistributed income of bank subsidiaries | 288,728 |  |  | 121,341 |  |  | 104,318 |
Equity in undistributed income (loss) of nonbank subsidiaries | 492 |  |  | 548 |  |  | (4,445 | )
Net income | $ | 359,440 |  |  | $ | 173,979 |  |  | $ | 127,225 |
CONDENSED STATEMENTS OF CASH FLOWS | CONDENSED STATEMENTS OF CASH FLOWS
| 2018 |  | 2017 |  | 2016
Operating activities: |  |  |  |  |
Net income | $ | 359,440 |  |  | $ | 173,979 |  |  | $ | 127,225 |
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |  |  |  |  |  |  |
Amortization and accretion | 105 |  |  | 48 |  |  | (144 | )
Stock-based compensation expense | 17,636 |  |  | 19,538 |  |  | 10,971 |
Increase (decrease) in income tax payable, net | (24 | ) |  | 24 |  |  | (12 | )
Deferred tax expense | (549 | ) |  | 5,919 |  |  | 1,025 |
Income from equity method investments, net | (13,731 | ) |  | (10,126 | ) |  | (7,663 | )
Dividends received from equity method investment | 5,872 |  |  | 5,655 |  |  | 3,255 |
Excess tax benefit from stock compensation | (2,966 | ) |  | (5,365 | ) |  | (4,604 | )
Loss (gain) on other investments | (209 | ) |  | (350 | ) |  | 497 |
Decrease (increase) in other assets | 4,390 |  |  | (3,989 | ) |  | 2,636 |
Increase (decrease) in other liabilities | 2,758 |  |  | (9,194 | ) |  | 3,157 |
Equity in undistributed income of bank subsidiary | (288,728 | ) |  | (121,341 | ) |  | (104,318 | )
Equity in undistributed income of nonbank subsidiary | (492 | ) |  | (548 | ) |  | 4,445 |
Net cash provided by operating activities | 83,502 |  |  | 54,250 |  |  | 36,470 |
Investing activities: |  |  |  |  |  |  |  |
Investment in consolidated banking subsidiaries | — |  |  | (182,288 | ) |  | (118,878 | )
Increase in equity method investment | — |  |  | — |  |  | (11,400 | )
Increase in other investments | (2,321 | ) |  | (815 | ) |  | (710 | )
Net cash provided by (used in) investing activities | (2,321 | ) |  | (183,103 | ) |  | (130,988 | )
Financing activities: |  |  |  |  |  |  |  |
Net (decrease) increase in subordinated debt and other borrowings | 19,230 |  |  | (60 | ) |  | 118,294 |
Proceeds from common stock issuance | — |  |  | 192,194 |  |  | — |
Exercise of common stock options and stock appreciation rights, net of repurchase of restricted shares | (5,071 | ) |  | 493 |  |  | 11,589 |
Repurchase of common stock | (20,694 | ) |  | — |  |  | — |
Excess tax benefit from stock compensation | — |  |  | — |  |  | 4,604 |
Common dividends paid | (45,454 | ) |  | (35,907 | ) |  | (24,725 | )
Net cash provided by (used in) financing activities | (51,989 | ) |  | 156,720 |  |  | 109,762 |
Net increase in cash | 29,192 |  |  | 27,867 |  |  | 15,244 |
Cash and cash equivalents, beginning of year | 64,851 |  |  | 36,984 |  |  | 21,740 |
Cash and cash equivalents, end of year | $ | 94,043 |  |  | $ | 64,851 |  |  | $ | 36,984 |

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