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Stock-Based Compensation (Details) - LTIP [Member] - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	May 02, 2016
Stock-Based Compensation [Abstract]
Maximum number of shares of common stock that can be issued under the plan (in shares)					100,000
Term of plan			10 years
Maximum number of shares of common stock subject to awards that may be granted to a participant per calendar year (in shares)			2,000
Restricted Stock [Member]
Number of Shares [Roll Forward]
Nonvested at beginning of the period (in shares)			8,804
Granted (in shares)			8,052
Vested (in shares)			(4,454)
Forfeited (in shares)			(33)
Nonvested at end of the period (in shares)	12,369		12,369
Grant Date Weighted Average Fair Value [Abstract]
Nonvested at beginning of the period (in dollars per share)			$ 46.91
Granted (in dollars per share)			38.87
Vested (in dollars per share)			42.22
Forfeited (in dollars per share)			51.40
Nonvested at end of the period (in dollars per share)	$ 43.35		$ 43.35
Stock-Based Compensation Expense [Abstract]
Stock-based compensation expense	$ 113	$ 93	$ 158	$ 121
Recognized tax benefits related to stock-based compensation expense	33	$ 27	46	$ 35
Fair value of vested shares			188
Stock-based compensation expense not yet recognized	$ 536		$ 536
Period of recognition			3 years
Restricted Stock [Member] | Officers and Key Employees [Member]
Stock-Based Compensation [Abstract]
Vesting period			3 years

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The highest quantity of shares an employee can purchase under the plan per period.

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