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Regulatory Matters - Schedule of Capital Amounts, Ratios and Regulatory Thresholds (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Banking and Thrift [Abstract]
Total Capital to Risk-Weighted Assets	$ 10,527	$ 10,484
Total Capital to Risk-Weighted Assets ratio	14.74%	15.08%
Tier I Capital to Risk-Weighted Assets	$ 9,596	$ 9,577
Tier I Capital to Risk-Weighted Assets ratio	13.43%	13.78%
Common equity Tier 1 capital to Risk-Weighted Assets	$ 9,596	$ 9,577
Common equity Tier 1 capital to Risk-Weighted Assets, ratio	13.43%	13.78%
Tier I Capital to Total Assets	$ 9,596	$ 9,577
Tier I Capital to Total Assets ratio	10.62%	8.89%
Minimum amount of capital for adequacy purposes	$ 5,714	$ 5,561
Minimum amount of capital for adequacy purposes, ratio	8.00%	8.00%
Minimum amount of Tier 1 Capital for adequacy purposes	$ 4,286	$ 4,170
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	6.00%	6.00%
Common equity Tier 1 capital to Risk-Weighted Assets for adequacy purposes	$ 3,214	$ 3,128
Common equity Tier 1 capital to Risk-Weighted Assets for adequacy purposes, ratio	4.50%	4.50%
Minimum amount of Tier 1 Capital for adequacy purposes	$ 3,615	$ 4,307
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	4.00%	4.00%
Minimum Capital required to be well-capitalized	$ 7,143	$ 6,951
Minimum Capital required to be well-capitalized, ratio	10.00%	10.00%
Minimum Tier 1 Capital required to be well-capitalized	$ 5,714	$ 5,561
Minimum Tier 1 Capital required to be well-capitalized, ratio	8.00%	8.00%
Common equity Tier I capital to Risk-Weighted Assets to be well-capitalized	$ 4,643	$ 4,518
Common equity Tier I capital to Risk-Weighted Assets to be well-capitalized, ratio	6.50%	6.50%
Minimum Capital required to be well-capitalized	$ 4,519	$ 5,383
Minimum Capital required to be well-capitalized, ratio	5.00%	5.00%
Minimum Capital required under consent order	$ 8,571	$ 8,341
Minimum Capital required under consent order, ratio	12.00%	12.00%
Minimum Tier 1 Capital required under consent order	$ 7,320	$ 8,614
Minimum Tier 1 Capital required under consent order, ratio	8.00%	8.00%

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