Stock Compensation Plans - Weighted Average Grant Date Fair Values of Stock Options and the Assumptions Used (Details)	12 Months Ended
	Dec. 31, 2020 $ / shares
Share-Based Payment Arrangement [Abstract]
Weighted average grant date fair value	$ 10.12
Black-Scholes model assumptions:
Expected term (years)	7 years 6 months	[1]
Interest rate	1.29%	[1]
Volatility	41.28%	[1]
Dividend yield	6.54%	[1]

[1] We review the assumptions used in our Black-Scholes model in conjunction with estimating the grant date fair value of grants of options by our Board of Directors. There were no stock options granted during 2022 or 2021.