Real Estate Acquisitions and Dispositions - Assets Acquired and Liabilities Assumed (Details) - Series of Individually Immaterial Business Acquisitions - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]
Land and land improvements	$ 13,142	$ 15,809
Building and building improvements	69,143	97,773
Intangibles:
Below-market lease intangibles	$ (172)	$ (504)
Below-market lease intangibles, useful life (in years)	4 years 6 months	8 years 6 months
Total intangibles	$ 8,077	$ 11,648
Accounts receivable and other assets acquired	52	3,708
Accounts payable, accrued liabilities and other liabilities acquired	(982)	(1,413)
Financing right-of-use lease asset acquired	(1,898)
Financing lease liability acquired	(2,971)
Prorated rent, interest and operating expense reimbursement amounts collected	(260)	(707)
Total cash consideration	88,099	126,818
At-market lease intangibles
Intangibles:
Lease intangibles	$ 8,100	$ 11,602
Intangibles useful life (in years)	4 years 1 month 6 days	7 years 2 months 12 days
Above-market lease intangibles
Intangibles:
Lease intangibles	$ 149	$ 550
Intangibles useful life (in years)	4 years 10 months 24 days	5 years 6 months
Land and Land Improvements
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]
Estimated useful life (in years)	11 years 10 months 24 days	10 years 10 months 24 days
Building and Improvements
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]
Estimated useful life (in years)	40 years 3 months 18 days	37 years 8 months 12 days