Employee Benefits (Details) - USD ($)			12 Months Ended
	May 20, 2020	Sep. 05, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Common Stock [Member]
Share-based Compensation [Abstract]
Shares acquired and canceled (in shares)			0	(1,032,178)	(149,425)
Common Stock [Member] | Employees [Member]
Share-based Compensation [Abstract]
Shares acquired and canceled (in shares)			(149,425)
Retained Earnings [Member]
Share-based Compensation [Abstract]
Shares acquired and canceled			$ 0	$ (9,065,000)	$ (2,645,000)
Retained Earnings [Member] | Employees [Member]
Share-based Compensation [Abstract]
Percentage of employee's compensation matched by company			5.00%
Defined benefit plan, employer contribution			$ 267,000	230,000	223,000
Percentage of contribution in shares by largest shareholder		6.50%
Number of shares contributed by the largest shareholder (in shares)		656,925
Shares acquired and canceled			(2,600,000)
Net compensation expense			862,000	771,000	12,116,000
Executive Officers [Member]
Share-based Compensation [Abstract]
Net compensation expense			$ 11,800,000
Incentive Plan [Member]
Share-based Compensation [Abstract]
Additional authorized shares (in shares)	507,500
Shares available for future grants (in shares)			615,873
Net compensation expense			$ 862,000	$ 771,000	$ 628,000
Unearned stock-based compensation expense [Abstract]
Risk-free interest rate			0.52%	1.71%
Dividend yield			2.89%	2.20%
Stock price volatility			66.67%	41.27%
Expected term			6 years 4 months 28 days	7 years 6 months 3 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value			$ 6.79	$ 6.55
Incentive Plan [Member] | Stock Option [Member]
Share-based Compensation [Abstract]
Vesting period			4 years
Unrecognized compensation expense			$ 591,000
Period for recognition of compensation cost not yet recognized			2 years 5 months 23 days
Stock Option Activity [Roll Forward]
Outstanding at beginning of period (in shares)			185,250	163,000
Options granted (in shares)			80,500	26,500
Options exercised (in shares)			0	0
Options forfeited (in shares)			(1,750)	(4,250)
Outstanding at end of period (in shares)			264,000	185,250	163,000
Exercisable at end of period (in shares)			121,932	75,625
Weighted Average Exercise Price [Roll Forward]
Outstanding at beginning of period (in dollars per share)			$ 18.73	$ 18.75
Options granted (in dollars per share)			14.31	18.49
Options exercised (in dollars per share)			0	0
Options forfeited (in dollars per share)			14.31	17.73
Outstanding at end of period (in dollars per share)			17.41	18.73	$ 18.75
Exercisable at end of period (in dollars per share)			$ 18.82	$ 18.88
Options, Additional Disclosures [Abstract]
Weighted average remaining contractual term, Outstanding			7 years 6 months 21 days	7 years 11 months 8 days
Weighted average remaining contractual term, Exercisable			6 years 9 months 25 days	7 years 9 months
Aggregate intrinsic value, Outstanding			$ 1,474,840,000	$ 0
Aggregate intrinsic value, Exercisable			509,257,000	$ 0
Incentive Plan [Member] | RSUs [Member]
Share-based Compensation [Abstract]
Unrecognized compensation expense			$ 2,900,000
Unvested and/or unexercised stock options (in shares)			264,000
Period for recognition of compensation cost not yet recognized			3 years 14 days
Restricted Stock Units [Roll Forward]
Outstanding, beginning of the period (in shares)			118,000	104,000
Shares granted (in shares)			90,575	41,000
Shares vested (in shares)			(35,582)	(26,000)
Shares forfeited (in shares)			0	(1,000)
Outstanding, end of the period (in shares)			172,993	118,000	104,000
Weighted Average Grant Date Fair Value [Abstract]
Outstanding, beginning of period (in dollars per share)			$ 18.09	$ 19.09
Shares granted (in dollars per share)			19.95	16.19
Shares settled (in dollars per share)			18.30	19.09
Shares forfeited (in dollars per share)			0	18.49
End of the period balance (in dollars per share)			$ 19.02	$ 18.09	$ 19.09
Incentive Plan [Member] | Tranche One [Member] | RSUs [Member]
Share-based Compensation [Abstract]
Vesting period			3 years
Incentive Plan [Member] | Tranche Two [Member] | RSUs [Member]
Share-based Compensation [Abstract]
Vesting period			5 years