CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - USD ($) $ in Thousands |
3 Months Ended | |||||
|---|---|---|---|---|---|---|
Sep. 30, 2019 |
Jun. 30, 2019 |
Mar. 31, 2019 |
Sep. 30, 2018 |
Jun. 30, 2018 |
Mar. 31, 2018 |
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| Statement of Stockholders' Equity [Abstract] | ||||||
| Other comprehensive income (loss), tax | $ 1,836 | $ 5,913 | $ 5,346 | $ 2,966 | $ 617 | $ 3,565 |
| Issuance of common stock, acquisition, shares | 15,842,026 | 21,922,077 | ||||
| Dividends on common stock, per share (in usd per share) | $ 0.25 | $ 0.23 | $ 0.23 | $ 0.23 | $ 0.21 | $ 0.21 |
| Issuance of common stock under Equity Compensation Plan , shares | 28,253 | 36,551 | 6,127 | 34,477 | 17,058 | 68,495 |
| Stock purchased under stock repurchase plan, shares | 969,265 | |||||
| Issuance of common stock for services rendered, shares | 7,840 | 6,192 | 6,085 | 7,248 | 5,259 | 4,914 |
| Vesting of restricted stock under Equity Compensation Plans, shares | 8,247 | 21,447 | 104,151 | 5,606 | 6,664 | 69,562 |
| X | ||||||||||
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of tax expense (benefit) allocated to other comprehensive income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Number of shares of stock issued during the period pursuant to acquisitions. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares of capital stock issued (purchased by employees) in connection with an employee stock ownership plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders. No definition available.
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| X | ||||||||||
- Definition Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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