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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, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Operating Activities: |  |  |  |  |  |
Net Income |  | $ 54,806 |  | $ 29,319 |  | $ 26,209
Stock compensation expense |  | 1,142 |  | 696 |  | 414
Net change in other liabilities |  | (13,261) |  | (4,321) |  | (1,971)
Increase in other liabilities |  | 2,439 |  | 13,867 |  | 3,549
Net Cash Provided By Operating Activities |  | 59,991 |  | 65,899 |  | 14,069
Investing Activities: |  |  |  |  |  |
Purchases of premises and equipment |  | (4,249) |  | (3,497) |  | (3,685)
Net Cash (Used In) Provided by Investing Activities |  | (704,711) |  | 169,371 |  | (588,912)
Financing Activities: |  |  |  |  |  |
Dividends paid |  | (12,735) |  | (8,872) |  | (6,504)
Employee and Director Stock Purchase Plans stock issuance |  | 364 |  | 307 |  | 311
Proceeds from issuance of common stock | [1] | 0 |  | 70,238 |  | 0
Treasury stock purchased |  | (2,957) |  | (128) |  | (1,795)
Riverview restricted stock (1) | [2] | (776) |  | 0 |  | 0
Net cash (used in) provided by financing activities |  | (208,151) |  | 374,758 |  | 739,537
Net (decrease) increase in cash and cash equivalents |  | (852,871) |  | 610,028 |  | 164,694
Cash and cash equivalents, beginning of period |  | 913,752 |  | 303,724 |  | 139,030
Cash and cash equivalents, end of period |  | $ 60,881 |  | 913,752 |  | 303,724
Restricted stock shares paid out in cash (in shares) |  | 2,500 |  |  |  |
Common stock issued to Riverview shareholders |  | $ 776 | [3] | 142,192 | [4] |
Parent Company |  |  |  |  |  |
Operating Activities: |  |  |  |  |  |
Net Income |  | 54,806 |  | 29,319 |  | 26,209
Equity in undistributed earnings of subsidiaries |  | (60,307) |  | (37,638) |  | (21,616)
Stock compensation expense |  | 1,142 |  | 696 |  | 414
Amortization of debt issuance costs |  | 26 |  | 26 |  | 32
Net change in other liabilities |  | 759 |  | (1,735) |  | 89
Increase in other liabilities |  | (6,285) |  | 13,356 |  | 9,687
Net Cash Provided By Operating Activities |  | (9,859) |  | 4,024 |  | 14,815
Investing Activities: |  |  |  |  |  |
Net cash paid for acquisition |  | 0 |  | (792) |  | 0
Investment in subsidiary |  | (1,787) |  | (27,353) |  | (10,500)
Purchases of premises and equipment |  | 0 |  | 0 |  | 0
Net Cash (Used In) Provided by Investing Activities |  | (1,787) |  | (28,145) |  | (10,500)
Financing Activities: |  |  |  |  |  |
Dividends paid |  | (12,735) |  | (8,872) |  | (6,504)
Proceeds from issuance of common stock |  | 0 |  | 70,545 |  | 0
Treasury stock purchased |  | (2,957) |  | (128) |  | (1,795)
Riverview restricted stock (1) |  | (776) |  | 0 |  | 0
Subordinated debt and trust preferred securities (redemption) issuance |  | (16,778) |  | (6,870) |  | 17,510
Other, net |  | 0 |  | (283) |  | 0
Net cash (used in) provided by financing activities |  | (31,330) |  | 54,699 |  | 9,506
Net (decrease) increase in cash and cash equivalents |  | (42,976) |  | 30,578 |  | 13,821
Cash and cash equivalents, beginning of period |  | 44,825 |  | 14,247 |  | 426
Cash and cash equivalents, end of period |  | 1,849 |  | 44,825 |  | 14,247
Parent Company | Employee |  |  |  |  |  |
Financing Activities: |  |  |  |  |  |
Employee and Director Stock Purchase Plans stock issuance |  | $ 364 |  | $ 307 |  | $ 295
[1] | Shares issued in offering were net of expenses of $4.6 million.
[2] | Additionally, 2,500 shares of restricted stock were paid out in cash resulting in $776 thousand of cash consideration relating to stock awards.
[3] | Additionally, 2,500 shares of restricted stock were paid out in cash resulting in $776 thousand of cash consideration relating to stock awards.
[4] | Shares issued on November 30, 2021 as a result of the acquisition of Riverview Financial Corporation ("Riverview"). See "Note 2 - Business Combinations", to the Consolidated Financial Statements for more information.

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