Stock Based Compensation Restricted Stock Units Information (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Weighted Average Grant Date Fair Value
Amount Expensed During the Year	$ 414	$ 420	$ 391
Restricted Stock Units (RSUs)
Restricted Stock Units
Beginning balance, nonvested (in shares)	12,012	7,952	3,689
Granted (in shares)	4,880	4,060	4,263
Vested (in shares)	(3,689)	0	0
Canceled (in shares)	0	0	0
Ending balance, nonvested (in shares)	13,203	12,012	7,952
Weighted Average Grant Date Fair Value
Beginning balance, nonvested (in dollars per share)	$ 30.70	$ 29.39	$ 29.81
Granted (in dollars per share)	28.54	33.25	29.02
Vested (in dollars per share)	29.82	0	0
Canceled (in dollars per share)	0	0	0
Ending balance, nonvested (in dollars per share)	$ 30.15	$ 30.70	$ 29.39
Amount Expensed During the Year	$ 132	$ 119	$ 75
Compensation Costs for Non-vested Awards Not Yet Recognized	$ 149	$ 141	$ 126

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

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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