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Equity Incentive Plan (Details) - USD ($) $ in Millions |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Feb. 23, 2020 | Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | May 31, 2020
2020 Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Issuance of Common stock |  |  |  |  |  | 700,000
Common Stock, Capital Shares Reserved for Future Issuance |  | 695,459 |  | 695,459 |  |
Restricted Stock [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Options Granted |  |  |  | 52,000 |  |
Vesting period |  |  |  | 5 years |  |
Recognized share based compensation |  | $ 0.8 | $ 0.8 | $ 2.4 | $ 2.2 |
Unrecognized compensation, other than options |  | 8.8 |  | $ 8.8 |  |
Unrecognized compensation recognition period |  |  |  | 3 years 4 months 24 days |  |
Fair value inputs forfeiture rate |  |  |  | 0.00% |  |
Intrinsic value of restricted shares |  |  |  | $ 1.6 | 1.4 |
Performance Shares [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Options Granted |  |  |  | 26,000 |  |
Vesting period | 3 years |  |  |  |  |
Recognized share based compensation |  | 0.4 | $ 0.2 | $ 1.1 | $ 0.6 |
Unrecognized compensation, other than options |  | $ 3.7 |  | $ 3.7 |  |
Unrecognized compensation recognition period |  |  |  | 3 years 7 months 6 days |  |
Amortization period of compensation expense | 5 years |  |  |  |  |
Expected term | 2 years 10 months 24 days |  |  |  |  |
Expected volatility rate | 18.40% |  |  |  |  |
Expected dividend yield | 2.90% |  |  |  |  |
Expected risk free rate | 1.30% |  |  | 0.00% |  |
Performance Shares [Member] | Share-based Payment Arrangement, Tranche One [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting percentage | 50.00% |  |  |  |  |
Performance Shares [Member] | Share-based Payment Arrangement, Tranche Two [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting percentage | 50.00% |  |  |  |  |
Performance Shares [Member] | Maximum [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting period | 5 years |  |  |  |  |

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