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Common Stock and Earnings Per Share - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022 | May 09, 2023 | Mar. 19, 2020
Class of Stock [Line Items] |  |  |  |  |
Number of antidilutive shares | 0 | 0 |  |  |
Employee | Minimum |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Restricted shares, vesting period | 1 year |  |  |  |
Employee | Maximum |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Restricted shares, vesting period | 4 years |  |  |  |
Director |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Restricted shares, vesting period | 12 months |  |  |  |
Dividend Reinvestment Plan |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Shares authorized per plan (in shares) | 300,000,000 |  |  |  |
2014 Restricted Stock Plan |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Aggregate shares granted (in shares) | 200,000 |  |  |  |
Shares granted (in shares) | 162,937,000 |  |  |  |
Granted shares unvested (in shares) | 67,283 |  |  |  |
Allocated share-based compensation expense | $ 249 | $ 168 |  |  |
2023 Stock Incentive Plan | Subsequent Event |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Number of shares available for grant (in shares) |  |  |  | 350,000 |
Treasury Stock Repurchase Program |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Stock repurchase program, authorized amount (in shares) |  |  |  |  | $ 15,000
Percentage of issued shares based on closing stock price |  |  |  |  | 3.50%
Stock repurchased during period (in shares) | 208,343 |  | 208,343 |  |
Stock repurchased at average price per share (in dollars per share) | $ 23.42 |  | $ 23.42 |  |

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