| **Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands** | Total       | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income (Loss), net [Member] | Treasury Stock [Member] |
|---------------------------------------------------------------------------------------------------------------|-------------|-----------------------|-------------------------------------|----------------------------|-------------------------------------------------------------|-------------------------|
| Beginning balance at Dec. 31, 2020                                                                            | $ 1,068,617 | $ 113,915             | $ 494,683                           | $ 596,614                  | $ 17,233                                                    | $ (153,828)             |
| Beginning balance, shares at Dec. 31, 2020                                                                    |        | 96,130,751            |                                |                       |                                                        |                    |
| Net Income                                                                                                    | 39,770      |                  |                                | 39,770                     |                                                        |                    |
| Total other comprehensive (loss) income                                                                       | (11,035)    |                  |                                |                       | (11,035)                                                    |                    |
| Dividends, declared (USD per share)                                                                           | (10,578)    |                  |                                | (10,578)                   |                                                        |                    |
| Treasury stock acquired                                                                                       | (1,643)     |                  |                                |                       |                                                        | (1,643)                 |
| Treasury stock acquired, shares                                                                               |        | (123,395)             |                                |                       |                                                        |                    |
| Stock Issued During Period, Value, Treasury Stock Reissued                                                    | 2,041       |                  | 681                                 | 0                          |                                                        | 1,360                   |
| Stock Issued During Period, Shares, Treasury Stock Reissued                                                   |        | 158,531               |                                |                       |                                                        |                    |
| Restricted stock                                                                                              | 308         | $ 0                   | 356                                 | 0                          |                                                        | (48)                    |
| Restricted stock, shares                                                                                      |        | 82,589                |                                |                       |                                                        |                    |
| Stock Issued During Period, Value, Treasury Stock Reissued                                                    | 2,041       |                  |                                |                       |                                                        |                    |
| Ending balance at Mar. 31, 2021                                                                               | $ 1,087,480 | $ 113,915             | 495,720                             | 625,806                    | 6,198                                                       | (154,159)               |
| Ending balance, shares at Mar. 31, 2021                                                                       |        | 96,248,476            |                                |                       |                                                        |                    |
| Cash Dividends Declared per Common Share (in dollars per share)                                               | $ 0.110     |                  |                                |                       |                                                        |                    |
| Beginning balance at Dec. 31, 2021                                                                            | $ 1,109,372 | $ 113,915             | 496,121                             | 691,260                    | (8,768)                                                     | (183,156)               |
| Beginning balance, shares at Dec. 31, 2021                                                                    | 94,233,152  | 94,233,152            |                                |                       |                                                        |                    |
| Net Income                                                                                                    | $ 27,726    |                  |                                | 27,726                     |                                                        |                    |
| Total other comprehensive (loss) income                                                                       | (59,392)    |                  |                                |                       | (59,392)                                                    |                    |
| Dividends, declared (USD per share)                                                                           | (10,837)    |                  |                                | (10,837)                   |                                                        |                    |
| Treasury stock acquired                                                                                       | (1,488)     |                  |                                |                       |                                                        | (1,488)                 |
| Treasury stock acquired, shares                                                                               |        | (90,614)              |                                |                       |                                                        |                    |
| Stock Issued During Period, Value, Treasury Stock Reissued                                                    | 1,947       |                  | 499                                 | 0                          |                                                        | 1,448                   |
| Stock Issued During Period, Shares, Treasury Stock Reissued                                                   |        | 157,251               |                                |                       |                                                        |                    |
| Restricted stock                                                                                              | 291         | $ 0                   | 7                                   | 0                          |                                                        | 284                     |
| Restricted stock, shares                                                                                      |        | (750)                 |                                |                       |                                                        |                    |
| Stock Issued During Period, Value, Treasury Stock Reissued                                                    | 1,947       |                  |                                |                       |                                                        |                    |
| Ending balance at Mar. 31, 2022                                                                               | $ 1,067,619 | $ 113,915             | $ 496,627                           | $ 708,149                  | $ (68,160)                                                  | $ (182,912)             |
| Ending balance, shares at Mar. 31, 2022                                                                       | 94,299,039  | 94,299,039            |                                |                       |                                                        |                    |
| Cash Dividends Declared per Common Share (in dollars per share)                                               | $ 0.115     |                  |                                |                       |                                                        |                    |

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| - Definition
Amount of increase (decrease) to additional paid-in capital (APIC) for recognition and exercise of award under share-based payment arrangement.
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| - Definition
Aggregate dividends declared during the period for each share of common stock outstanding.
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| - Definition
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.
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| - Definition
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
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| - Definition
Amount after tax and reclassification adjustments of other comprehensive income (loss).
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| - Definition
The fair value of stock issued in noncash financing activities.
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| - Definition
Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.
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| - Definition
Number of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement.
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Value of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement.
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Number of shares that have been repurchased during the period and are being held in treasury.
+ References
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.
+ References
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