Shareholders' Equity (Details) - USD ($)	1 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020	Sep. 30, 2020	Sep. 30, 2019
Stock Repurchase Program [Abstract]
Stock repurchase program, additional amount authorized	$ 1,500,000
Stock repurchase program authorized amount	20,000,000	$ 20,000,000	$ 20,000,000
Stock repurchased during period (in shares)			107,822
Amount paid to repurchase shares during the year			$ 3,174,230	$ 849,265
Amount of common stock repurchased	$ 17,947,326	$ 17,947,326	$ 17,947,326
Number of common stock acquired (in shares)	1,277,180	1,277,180	1,277,180
Number of shares issued (in shares)			6,664
Cost of shares issued			$ 218,289
Earnings Per Share Calculations [Abstract]
Dilutive instruments outstanding (in shares)			0	0
Cumberland Lake Shell, Inc [Member]
Stock Repurchase Program [Abstract]
Stock repurchased during period (in shares)		88,341
Amount paid to repurchase shares during the year		$ 2,561,889
Stock purchase price (in dollars per share)		$ 29