Real Estate Acquisitions and Dispositions - Real Estate Acquisitions (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) ft²	Dec. 31, 2022 USD ($) ft²
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Square Footage (in square feet) | ft²	4,300,000
Acquisitions of Properties During 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price		$ 97,072
Cash Consideration		96,691
Real Estate		96,729
Other		$ (38)
Square Footage (in square feet) | ft²		422,824
Acquisitions of Properties During 2022 | Toledo, OH
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price		$ 2,606
Cash Consideration		2,621
Real Estate		2,735
Other		$ (114)
Square Footage (in square feet) | ft²		17,465
Acquisitions of Properties During 2022 | Fremont, NE
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price		$ 3,232
Cash Consideration		3,224
Real Estate		3,443
Other		$ (219)
Square Footage (in square feet) | ft²		12,850
Acquisitions of Properties During 2022 | Cincinnati, OH
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price		$ 23,500
Cash Consideration		22,826
Real Estate		23,558
Other		$ (732)
Square Footage (in square feet) | ft²		37,720
Acquisitions of Properties During 2022 | Marne, MI
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price		$ 13,238
Cash Consideration		12,986
Real Estate		13,415
Other		$ (429)
Square Footage (in square feet) | ft²		96,886
Acquisitions of Properties During 2022 | Des Moines, IA
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price		$ 4,272
Cash Consideration		4,313
Real Estate		3,818
Other		$ 495
Square Footage (in square feet) | ft²		17,318
Acquisitions of Properties During 2022 | Brook Park, OH
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price		$ 2,200
Cash Consideration		2,187
Real Estate		2,256
Other		$ (69)
Square Footage (in square feet) | ft²		16,802
Acquisitions of Properties During 2022 | Rockville, MD
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price		$ 13,937
Cash Consideration		14,180
Real Estate		14,133
Other		$ 47
Square Footage (in square feet) | ft²		94,491
Acquisitions of Properties During 2022 | Cape Coral, FL
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price		$ 4,635
Cash Consideration		4,683
Real Estate		4,563
Other		$ 120
Square Footage (in square feet) | ft²		12,130
Acquisitions of Properties During 2022 | Cape Coral, FL
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price		$ 400
Cash Consideration		410
Real Estate		394
Other		$ 16
Square Footage (in square feet) | ft²		2,023
Acquisitions of Properties During 2022 | Cape Coral, FL
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price		$ 990
Cash Consideration		998
Real Estate		1,039
Other		$ (41)
Square Footage (in square feet) | ft²		6,379
Acquisitions of Properties During 2022 | Fort Myers, FL
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price		$ 6,520
Cash Consideration		6,583
Real Estate		6,143
Other		$ 440
Square Footage (in square feet) | ft²		22,104
Acquisitions of Properties During 2022 | Fort Myers, FL
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price		$ 3,325
Cash Consideration		3,360
Real Estate		3,246
Other		$ 114
Square Footage (in square feet) | ft²		16,000
Acquisitions of Properties During 2022 | Fort Myers, FL
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price		$ 4,510
Cash Consideration		4,556
Real Estate		4,578
Other		$ (22)
Square Footage (in square feet) | ft²		10,832
Acquisitions of Properties During 2022 | Fort Myers, FL
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price		$ 4,265
Cash Consideration		4,308
Real Estate		4,142
Other		$ 166
Square Footage (in square feet) | ft²		9,376
Acquisitions of Properties During 2022 | Fort Myers, FL
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price		$ 133
Cash Consideration		139
Real Estate		141
Other		$ (2)
Square Footage (in square feet) | ft²		1,201
Acquisitions of Properties During 2022 | Show Low, AZ
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price		$ 840
Cash Consideration		841
Real Estate		844
Other		$ (3)
Square Footage (in square feet) | ft²		4,437
Acquisitions of Properties During 2022 | Show Low, AZ
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price		$ 4,122
Cash Consideration		4,105
Real Estate		4,170
Other		$ (65)
Square Footage (in square feet) | ft²		22,410
Acquisitions of Properties During 2022 | Show Low, AZ
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price		$ 4,347
Cash Consideration		4,371
Real Estate		4,111
Other		$ 260
Square Footage (in square feet) | ft²		22,400
Acquisitions Of Properties During 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price	$ 97,845
Cash Consideration	98,897
Real Estate	101,856
Other	$ (2,959)
Square Footage (in square feet) | ft²	463,001
Acquisitions Of Properties During 2023 | LaGrange, GA
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price	$ 8,007
Cash Consideration	8,087
Real Estate	8,118
Other	$ (31)
Square Footage (in square feet) | ft²	55,310
Acquisitions Of Properties During 2023 | West Point, GA
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price	$ 811
Cash Consideration	819
Real Estate	822
Other	$ (3)
Square Footage (in square feet) | ft²	5,600
Acquisitions Of Properties During 2023 | Canton, OH
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price	$ 3,669
Cash Consideration	3,706
Real Estate	4,287
Other	$ (581)
Square Footage (in square feet) | ft²	27,920
Acquisitions Of Properties During 2023 | Scranton, PA
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price	$ 1,957
Cash Consideration	2,165
Real Estate	2,317
Other	$ (152)
Square Footage (in square feet) | ft²	22,743
Acquisitions Of Properties During 2023 | Scranton, PA
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price	$ 2,207
Cash Consideration	2,366
Real Estate	2,340
Other	$ 26
Square Footage (in square feet) | ft²	15,768
Acquisitions Of Properties During 2023 | LaGrange, GA
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price	$ 6,469
Cash Consideration	6,458
Real Estate	6,622
Other	$ (164)
Square Footage (in square feet) | ft²	31,473
Acquisitions Of Properties During 2023 | LaGrange, GA
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price	$ 249
Cash Consideration	294
Real Estate	300
Other	$ (6)
Square Footage (in square feet) | ft²	2,972
Acquisitions Of Properties During 2023 | Lakeland, FL
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price	$ 838
Cash Consideration	845
Real Estate	846
Other	$ (1)
Square Footage (in square feet) | ft²	0
Acquisitions Of Properties During 2023 | Hermitage, PA
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price	$ 4,218
Cash Consideration	4,382
Real Estate	4,529
Other	$ (147)
Square Footage (in square feet) | ft²	25,982
Acquisitions Of Properties During 2023 | San Antonio, TX
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price	$ 2,772
Cash Consideration	2,783
Real Estate	3,031
Other	$ (248)
Square Footage (in square feet) | ft²	12,376
Acquisitions Of Properties During 2023 | Clinton, MD
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price	$ 7,850
Cash Consideration	7,807
Real Estate	7,867
Other	$ (60)
Square Footage (in square feet) | ft²	37,344
Acquisitions Of Properties During 2023 | Ft. Myers, FL
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price	$ 10,646
Cash Consideration	10,739
Real Estate	10,952
Other	$ (213)
Square Footage (in square feet) | ft²	43,322
Acquisitions Of Properties During 2023 | Ft. Myers, FL
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price	$ 582
Cash Consideration	588
Real Estate	497
Other	$ 91
Square Footage (in square feet) | ft²	3,200
Acquisitions Of Properties During 2023 | Immokalee, FL
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price	$ 847
Cash Consideration	863
Real Estate	881
Other	$ (18)
Square Footage (in square feet) | ft²	6,757
Acquisitions Of Properties During 2023 | El Paso, TX
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price	$ 23,500
Cash Consideration	23,538
Real Estate	23,538
Other	$ 0
Square Footage (in square feet) | ft²	37,992
Acquisitions Of Properties During 2023 | Beaver, PA
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price	$ 3,330
Cash Consideration	3,496
Real Estate	3,581
Other	$ (85)
Square Footage (in square feet) | ft²	15,878
Acquisitions Of Properties During 2023 | Westlake, OH
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price	$ 2,425
Cash Consideration	2,444
Real Estate	2,535
Other	$ (91)
Square Footage (in square feet) | ft²	14,100
Acquisitions Of Properties During 2023 | Newcastle, PA
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price	$ 10,375
Cash Consideration	10,613
Real Estate	11,239
Other	$ (626)
Square Footage (in square feet) | ft²	56,003
Acquisitions Of Properties During 2023 | Crystal Lake, IL
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price	$ 4,049
Cash Consideration	2,964
Real Estate	3,160
Other	$ (196)
Square Footage (in square feet) | ft²	17,543
Acquisitions Of Properties During 2023 | Crystal Lake, IL
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price	$ 3,044
Cash Consideration	3,940
Real Estate	4,394
Other	$ (454)
Square Footage (in square feet) | ft²	30,718