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Parent Company Statements - Condensed Statement of Cash Flows (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |  |  |  |  |
Net Income |  | $ 49,437 |  | $ 37,397 |  | $ 54,806 |
Stock compensation expense |  | 1,047 |  | 1,103 |  | 1,142 |
Net change in other assets |  | (4,988) |  | 9,736 |  | (13,261) |
Increase/(Decrease) in other liabilities |  | 2,264 |  | (4,214) |  | 2,439 |
Net Cash Provided By Operating Activities |  | 51,388 |  | 52,341 |  | 59,991 |
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |  |  |  |  |
Net Cash Used in Investing Activities |  | (208,742) |  | (408,925) |  | (704,711) |
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |  |  |  |  |
Dividends paid |  | (13,822) |  | (12,981) |  | (12,735) |
Employee and Director Stock Purchase Plans stock issuance |  | 561 |  | 482 |  | 364 |
Proceeds from public offering of common stock | [1] | 75,956 |  | 0 |  | 0 |
Treasury stock purchased |  | (323) |  | (4,876) |  | (2,957) |
Riverview restricted stock | [2] | 0 |  | 0 |  | 776 |
Net cash (used in) provided by financing activities |  | 131,155 |  | 392,466 |  | (208,151) |
Net increase/(decrease) in cash and cash equivalents |  | (26,199) |  | 35,882 |  | (852,871) |
Cash and cash equivalents, beginning of period |  | 96,763 |  | 60,881 |  | 913,752 |
Cash and cash equivalents, end of period |  | 70,564 |  | 96,763 |  | $ 60,881 |
Restricted stock shares paid out in cash (in shares) |  |  |  |  |  | 2,500 |
Common stock issued to shareholders in acquisition |  | 75,956 | [3] | 18,095 | [4] | $ 776 | [5]
Parent Company |  |  |  |  |  |  |
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |  |  |  |  |
Net Income |  | 49,437 |  | 37,397 |  | 54,806 |
Equity in undistributed earnings of subsidiaries |  | (54,503) |  | (45,183) |  | (60,307) |
Stock compensation expense |  | 1,047 |  | 1,103 |  | 1,142 |
Amortization of debt issuance costs |  | 7 |  | 7 |  | 26 |
Net change in other assets |  | 2,829 |  | (3,407) |  | 759 |
Increase/(Decrease) in other liabilities |  | (854) |  | (246) |  | (6,285) |
Net Cash Provided By Operating Activities |  | (2,037) |  | (10,329) |  | (9,859) |
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |  |  |  |  |
Net cash paid for acquisition |  | 0 |  | (25,574) |  | 0 |
Investment in subsidiary |  | 12,810 |  | 71,493 |  | (1,787) |
Net Cash Used in Investing Activities |  | 12,810 |  | 45,919 |  | (1,787) |
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |  |  |  |  |
Dividends paid |  | (13,822) |  | (12,981) |  | (12,735) |
Proceeds from public offering of common stock |  | 75,956 |  | 0 |  | 0 |
Treasury stock purchased |  | (323) |  | (4,876) |  | (2,957) |
Riverview restricted stock |  | 0 |  | 0 |  | 776 |
Subordinated debt and trust preferred securities redemption |  | 0 |  | (10,000) |  | (16,778) |
Net cash (used in) provided by financing activities |  | 62,372 |  | (27,375) |  | (31,330) |
Net increase/(decrease) in cash and cash equivalents |  | 73,145 |  | 8,215 |  | (42,976) |
Cash and cash equivalents, beginning of period |  | 10,064 |  | 1,849 |  | 44,825 |
Cash and cash equivalents, end of period |  | 83,209 |  | 10,064 |  | 1,849 |
Parent Company | Employee |  |  |  |  |  |  |
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |  |  |  |  |
Employee and Director Stock Purchase Plans stock issuance |  | $ 561 |  | $ 482 |  | $ 364 |
[1] | Additionally, 2,500 shares of restricted stock were paid out in cash resulting in $776 thousand of cash consideration relating to stock awards.
[2] | Includes the impact of the Insurance Acquisition on July 31, 2024. See "Note 2 - Business Combinations" to the Consolidated Financial Statement for additional information.
[3] | Shares issued as a result of the underwritten public offering of 2,375,000 shares of common stock at a price of $29.50 per share on November 4, 2024.
[4] | Shares issued as a result of the acquisition of Brunswick Bancorp ("Brunswick"). See "Note 2 - Business Combinations", to the Consolidated Financial Statements for more information.
[5] | Additionally, 2,500 shares of restricted stock were paid out in cash resulting in $776 thousand of cash consideration relating to stock awards.

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