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Significant Accounting Policies - Acquired Unfavorable Real Estate Leases and Amortization (Details) - Acquired unfavorable real estate leases - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Acquired Unfavorable Real Estate Leases and Amortization
Amortization	$ 200	$ 500	$ 900
Estimated annual amortization for succeeding five years
2023	74
2024	56
2025	24
2026	15
2027	7
2028 and thereafter	$ 19
Minimum
Acquired Unfavorable Real Estate Leases and Amortization
Term of lease	12 months
Maximum
Acquired Unfavorable Real Estate Leases and Amortization
Term of lease	151 months

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Amount of amortization of acquired leases acquired as part of a real property acquisition at below market lease rate with a finite life.

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