Consolidated Statement of Stockholders' Equity (Parentheticals) |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2018
$ / shares
shares
|
Dec. 31, 2017
$ / shares
shares
|
Dec. 31, 2016
$ / shares
shares
|
|
| Common Stock [Member] | |||
| Issuance of common stock, shares (in shares) | 353,259 | 385,500 | 682,500 |
| Additional Paid-in Capital [Member] | |||
| Shares withholed in net settlement upon exercise of stock options (in shares) | 61,077 | 35,010 | |
| Noncontrolling Interest [Member] | |||
| Issuance of REIT preferred stock, shares (in shares) | 125 | ||
| Common dividends, per share (in dollars per share) | $ / shares | $ 0.33 | $ 0.15 | $ 0.12 |
| Common dividends, per share declared (in dollars per share) | $ / shares | $ 0.15 | $ 0.05 | $ 0.04 |
| Stock split conversion ratio | 2 | ||
| X | ||||||||||
- Definition Number of preferred shares issued during the period. No definition available.
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| X | ||||||||||
- Definition Aggregate dividends paid 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 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 For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer. No definition available.
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| X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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