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Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Minimum Lease Payments:
Remaining 2021	$ 38,241		$ 38,241
2022	145,787		145,787
2023	132,686		132,686
2024	117,056		117,056
2025	99,933		99,933
Thereafter	322,458		322,458
Total	856,161		856,161
Property management fees
Disaggregation of Revenue [Line Items]
Other fee income	471	$ 536	1,546	$ 1,549
Asset management fees
Disaggregation of Revenue [Line Items]
Other fee income	292	271	859	827
Leasing commissions and other fees
Disaggregation of Revenue [Line Items]
Other fee income	100	72	365	179
Other fee income
Disaggregation of Revenue [Line Items]
Other fee income	$ 863	$ 879	$ 2,770	$ 2,555

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