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v3.21.2

Common Stock (Details) - USD ($) |  | 3 Months Ended | 6 Months Ended | 12 Months Ended | 86 Months Ended
--- | --- | --- | --- | --- | ---
May 04, 2021 | Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020 | Jun. 30, 2021
Employee [Member] | Minimum [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Restricted shares, vesting period |  |  |  | 1 year |  |  |
Employee [Member] | Maximum [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Restricted shares, vesting period |  |  |  | 4 years |  |  |
Director [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Restricted shares, vesting period |  |  |  | 12 months |  |  |
Dividend Reinvestment Plan [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Shares authorized per plan |  | 330,750 |  | 330,750 |  |  | 330,750
2014 Restricted Stock Plan [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Aggregate shares granted |  |  |  | 200,000 |  |  |
Shares granted |  |  |  | 117,069 |  |  |
Allocated share-based compensation expense |  | $ 173,000 | $ 96,000 | $ 305,000 | $ 192,000 |  |
Shares forfeited and available for reissuance |  |  |  | 0 |  |  | 2,446
Restricted shares vested during period |  |  |  | 42,041 |  |  |
Granted shares unvested |  | 72,582 |  | 72,582 |  |  | 72,582
Shares forfeited |  |  | 100 |  |  |  |
Underwritten Public Offering [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Number of shares issued | 2,990,000 |  |  |  |  |  |
Common stock, price per share | $ 25.00 |  |  |  |  |  |
Net proceeds received after underwriting discount and other estimated offering expenses | $ 70,238,000 |  |  |  |  |  |
Net proceeds of the offering | 4,512,000 |  |  |  |  |  |
Proceeds from follow-on common stock public offering | $ 74,750,000 |  |  | $ 70,238,000 |  |  |
Treasury Stock Repurchase Program [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Stock repurchase program, authorized amount |  | $ 15,000,000 |  | $ 15,000,000 |  |  | $ 15,000,000
Percentage of issued shares based on closing stock price |  | 4.70% |  | 4.70% |  |  | 4.70%
Stock repurchased during period, shares |  |  |  | 98,452 |  | 92,652 |
Stock repurchased at average price per share |  | $ 19.53 |  | $ 19.53 |  | $ 19.37 | $ 19.53

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