Consolidated Statement of Stockholders' Equity - 9 months ended Sep. 30, 2018 - USD ($) |
Total |
Additional Paid-In Capital [Member] |
Accumulated Other Comprehensive Loss [Member] |
Retained Earnings [Member] |
Treasury Stock [Member] |
Class A Common Stock [Member] |
Class B Common Stock [Member] |
|---|---|---|---|---|---|---|---|
| Beginning balance at Dec. 31, 2017 | $ 448,696,104 | $ 255,401,558 | $ (2,684,275) | $ 236,893,041 | $ (41,226,357) | $ 255,645 | $ 56,492 |
| Beginning balance, shares at Dec. 31, 2017 | 25,564,481 | 5,649,240 | |||||
| Issuance of common stock | 1,705,010 | 1,703,806 | $ 1,204 | ||||
| Issuance of common stock, shares | 120,394 | ||||||
| Share-based compensation | 2,114,212 | 2,113,728 | $ 484 | ||||
| Share-based compensation, shares | 48,344 | ||||||
| Net (loss) income | (17,761,577) | (17,761,577) | |||||
| Cash dividends declared | (7,872,741) | (7,872,741) | |||||
| Grant of stock options | 447,970 | (447,970) | |||||
| Reclassification of equity unrealized gains | (4,918,655) | 4,918,655 | |||||
| Other comprehensive (loss) income | (11,340,980) | (11,340,980) | |||||
| Ending balance at Sep. 30, 2018 | $ 415,540,028 | $ 259,667,062 | $ (18,943,910) | $ 215,729,408 | $ (41,226,357) | $ 257,333 | $ 56,492 |
| Ending balance, shares at Sep. 30, 2018 | 25,733,219 | 5,649,240 |
| X | ||||||||||
- Definition Adjustments to additional paid-in capital related to stock options granted. No definition available.
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| X | ||||||||||
- Definition Reclassification of equity unrealized gains. No definition available.
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| X | ||||||||||
- Definition Amount of increase to additional paid-in capital (APIC) from recognition of equity-based compensation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of new stock issued during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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