Employee Benefit Plans - Schedule of Cash Proceeds Received from Options Exercised (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Employee Benefits and Share-based Compensation, Noncash [Abstract]
Number of options exercised (in shares)	4,800	23,366	57,234	100,973
Total intrinsic value of options exercised	$ 38,127	$ 462,533	$ 742,737	$ 1,699,924
Cash received from options exercised	61,134	108,156	424,198	500,114
Tax deduction realized from options	$ 11,491	$ 130,018	$ 223,453	$ 477,849