STOCK-BASED COMPENSATION - Recognized in Financial Statements (Details) - USD ($)	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
STOCK-BASED COMPENSATION
Total Cost of Share-Based Plans Charged Against Income Before Tax Effect	$ 818,649	$ 811,601
Income Tax Expense Recognized in Income	$ (203,770)	$ (205,700)

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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