Stock Based Compensation Restricted Stock Units Information (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Weighted Average Grant Date Fair Value
Amount Expensed During the Year	$ 391	$ 356	$ 351
Restricted Stock Units (RSUs)
Restricted Stock Units
Beginning balance, nonvested (in shares)	3,478	0
Granted (in shares)	4,018	3,478.31
Vested (in shares)	0	0
Canceled (in shares)	0	0
Ending balance, nonvested (in shares)	7,496	3,478	0
Weighted Average Grant Date Fair Value
Beginning balance, nonvested (in dollars per share)	$ 31.62	$ 0.00
Granted (in dollars per share)	30.79	31.62
Vested (in dollars per share)	0.00
Canceled (in dollars per share)	0.00
Ending balance, nonvested (in dollars per share)	$ 31.18	$ 31.62	$ 0.00
Amount Expensed During the Year	$ 75	$ 34
Compensation Costs for Non-vested Awards Not Yet Recognized	$ 126	$ 76

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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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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