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Regulatory Capital Requirements - Schedule of Compliance with Regulatory Capital Requirements for Mortgage Companies (Details) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017
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Leverage - For capital adequacy purposes Ratio |  | 4.00% |
Common Equity Tier 1 Capital - For capital adequacy purposes Ratio |  | 4.50% |
Tier 1 Capital - For capital adequacy purposes Ratio |  | 6.00% |
Total Risk Based Capital - For capital adequacy purposes Ratio |  | 8.00% |
Company's Regulatory Capital Requirements [Member] |  |  |
Leverage - Actual Amount |  | $ 97,224 | $ 88,605
Common Equity Tier 1 Capital - Actual Amount |  | 76,241 | 68,269
Tier 1 Capital - Actual Amount |  | 97,224 | 88,605
Total Risk Based Capital - Actual Amount |  | $ 103,253 | $ 94,208
Leverage - Actual Ratio |  | 10.22% | 9.80%
Common Equity Tier 1 Capital - Actual Ratio |  | 12.97% | 12.83%
Tier 1 Capital - Actual Ratio |  | 16.55% | 16.65%
Total Risk Based Capital - Actual Ratio |  | 17.57% | 17.71%
Leverage - For capital adequacy purposes Amount |  | $ 38,036 | $ 36,180
Common Equity Tier 1 Capital - For capital adequacy purposes Amount |  | 37,460 | 30,590
Tier 1 Capital - For capital adequacy purposes Amount |  | 46,274 | 38,571
Total Risk Based Capital - For capital adequacy purposes Amount |  | $ 58,026 | $ 49,211
Leverage - For capital adequacy purposes Ratio | [1] | 4.00% | 4.00%
Common Equity Tier 1 Capital - For capital adequacy purposes Ratio | [1] | 6.40% | 5.80%
Tier 1 Capital - For capital adequacy purposes Ratio | [1] | 7.90% | 7.30%
Total Risk Based Capital - For capital adequacy purposes Ratio | [1] | 9.90% | 9.30%
[1] | The required ratios for capital adequacy purposes include a capital conservation buffer of 1.875% for September 30, 2018 and 1.25% for December 31, 2017

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- Definition The minimum common equity Tier One Capital Ratio (Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action. + References No definition available. + Details
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