Incentive and Restricted Stock Plan and Dividend Reinvestment Plan - Summary of Restricted Stock Awards Granted (Details) - Restricted Stock - shares	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	130,670	230,703	84,882
2014 Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	99,711	230,703	84,882
Directors \| 2021 Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards vesting period	1 year
Granted (in shares)	14,650	0	0
Directors \| 2014 Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards vesting period	1 year
Granted (in shares)	0	23,153	13,057
Chief Executive Officer \| 2021 Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards vesting period	1 year
Granted (in shares)	8,309	0	0
Senior Management \| 2014 Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards vesting period	3 years
Granted (in shares)	78,769	123,881	71,825
Other Awards \| 2021 Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards vesting period	3 years
Granted (in shares)	8,000	0	0
Other Awards \| 2014 Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards vesting period	3 years
Granted (in shares)	20,942	83,669	0

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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