Share-Based Compensation - Summary of the Changes in the Number of Outstanding Phantom Stock Shares (Details) - shares	Dec. 31, 2021	Dec. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Balance of shares outstanding	613,996	613,996
Employee Phantom Stock Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Balance of shares outstanding	532,890	532,890
Director Phantom Stock Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Balance of shares outstanding	81,106	81,106

Number of options outstanding, including both vested and non-vested options.

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

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

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant