BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES -Recently issued accounting pronouncements (Details) - USD ($)	Dec. 31, 2019	Jan. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle.
Right of use asset	$ 16,420,000
Total lease liabilities	$ 16,918,000
Minimum
New Accounting Pronouncements or Change in Accounting Principle.
Right of use asset		$ 19,728
Total lease liabilities		20,350
Maximum
New Accounting Pronouncements or Change in Accounting Principle.
Right of use asset		19,728
Total lease liabilities		$ 20,350