Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Name:	us-gaap_LongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Indebtedness - Narrative (Details) - USD ($)		12 Months Ended
Indebtedness - Narrative (Details) - USD ($)	Jul. 05, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Debt outstanding		$ 0
Gain on early extinguishment of debt		$ 0	$ 0	$ 131,000
Mortgage notes \| 206 East 9th Street
Debt Instrument [Line Items]
Amount of debt redeemed or repaid	$ 25,100,000
Gain on early extinguishment of debt				$ 100,000