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