Property Portfolio - Gross Investment (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended |
Sep. 30, 2023 | Dec. 31, 2022 |
Property, Plant and Equipment [Line Items] | | |
Beginning Balance | $ 1,484,177 | $ 1,343,003 |
Acquisitions | 10,656 | 157,114 |
Capitalized costs | 4,720 | 3,413 |
Disposition | (69,827) | (15,940) |
Ending Balance | 1,425,006 | 1,484,177 |
Redding Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | 5,936 | |
Jacksonville [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Disposition | (3,850) | |
Gainesville Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 5,304 |
Grand Rapids Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 7,300 |
Sarasota Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 6,128 |
Greenwood [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 6,241 |
Fairbanks Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 22,958 |
Rocky Point Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 7,985 |
Fairfax Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 21,263 |
Lees Summit Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 6,617 |
Lexington Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 16,991 |
Toledo Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 18,237 |
Lake Geneva Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 6,152 |
Glenview Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 9,138 |
Canandaigua Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 14,048 |
Hermitage Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 5,339 |
North Charleston Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Disposition | (7,572) | |
Oklahoma City Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Disposition | (58,405) | |
Land [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Beginning Balance | 168,308 | 152,060 |
Acquisitions | 771 | 18,948 |
Capitalized costs | | 141 |
Disposition | (4,764) | (2,700) |
Ending Balance | 164,315 | 168,308 |
Land [Member] | Redding Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | 771 | |
Land [Member] | Jacksonville [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Disposition | (1,023) | |
Land [Member] | Gainesville Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 555 |
Land [Member] | Grand Rapids Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 1,238 |
Land [Member] | Sarasota Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 747 |
Land [Member] | Greenwood [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 929 |
Land [Member] | Fairbanks Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 1,782 |
Land [Member] | Rocky Point Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 613 |
Land [Member] | Fairfax Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 4,012 |
Land [Member] | Lees Summit Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 1,349 |
Land [Member] | Lexington Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 1,760 |
Land [Member] | Toledo Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 2,999 |
Land [Member] | Lake Geneva Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 444 |
Land [Member] | Glenview Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 1,448 |
Land [Member] | Canandaigua Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 578 |
Land [Member] | Hermitage Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 353 |
Land [Member] | North Charleston Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Disposition | (927) | |
Land [Member] | Oklahoma City Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Disposition | (2,814) | |
Buildings | | |
Property, Plant and Equipment [Line Items] | | |
Beginning Balance | 1,079,781 | 985,091 |
Acquisitions | 6,061 | 102,768 |
Capitalized costs | 2,263 | 1,419 |
Disposition | (51,020) | (8,078) |
Ending Balance | 1,034,822 | 1,079,781 |
Buildings | Redding Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | 3,798 | |
Buildings | Jacksonville [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Disposition | (2,827) | |
Buildings | Gainesville Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 3,899 |
Buildings | Grand Rapids Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 4,976 |
Buildings | Sarasota Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 3,703 |
Buildings | Greenwood [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 4,332 |
Buildings | Fairbanks Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 12,262 |
Buildings | Rocky Point Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 6,243 |
Buildings | Fairfax Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 13,238 |
Buildings | Lees Summit Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 4,101 |
Buildings | Lexington Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 11,350 |
Buildings | Toledo Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 11,366 |
Buildings | Lake Geneva Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 4,612 |
Buildings | Glenview Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 6,258 |
Buildings | Canandaigua Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 11,118 |
Buildings | Hermitage Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 3,891 |
Buildings | North Charleston Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Disposition | (4,640) | |
Buildings | Oklahoma City Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Disposition | (43,553) | |
Site Improvements [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Beginning Balance | 22,024 | 19,021 |
Acquisitions | 689 | 3,352 |
Capitalized costs | 515 | 41 |
Disposition | (1,233) | (349) |
Ending Balance | 21,480 | 22,024 |
Site Improvements [Member] | Redding Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | 174 | |
Site Improvements [Member] | Gainesville Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 76 |
Site Improvements [Member] | Grand Rapids Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 221 |
Site Improvements [Member] | Sarasota Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 84 |
Site Improvements [Member] | Greenwood [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 194 |
Site Improvements [Member] | Fairbanks Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 215 |
Site Improvements [Member] | Rocky Point Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 223 |
Site Improvements [Member] | Fairfax Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 399 |
Site Improvements [Member] | Lees Summit Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 83 |
Site Improvements [Member] | Lexington Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 289 |
Site Improvements [Member] | Toledo Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 581 |
Site Improvements [Member] | Lake Geneva Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 141 |
Site Improvements [Member] | Glenview Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 241 |
Site Improvements [Member] | Canandaigua Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 370 |
Site Improvements [Member] | Hermitage Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 194 |
Site Improvements [Member] | North Charleston Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Disposition | (106) | |
Site Improvements [Member] | Oklahoma City Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Disposition | (1,127) | |
Tenant improvements [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Beginning Balance | 65,987 | 58,900 |
Acquisitions | 2,091 | 7,394 |
Capitalized costs | 1,770 | 1,416 |
Disposition | (2,306) | (307) |
Ending Balance | 65,772 | 65,987 |
Tenant improvements [Member] | Redding Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | 321 | |
Tenant improvements [Member] | Gainesville Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 199 |
Tenant improvements [Member] | Grand Rapids Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 270 |
Tenant improvements [Member] | Sarasota Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 331 |
Tenant improvements [Member] | Greenwood [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 360 |
Tenant improvements [Member] | Fairbanks Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 753 |
Tenant improvements [Member] | Rocky Point Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 317 |
Tenant improvements [Member] | Fairfax Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 310 |
Tenant improvements [Member] | Lees Summit Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 410 |
Tenant improvements [Member] | Lexington Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 556 |
Tenant improvements [Member] | Toledo Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 1,247 |
Tenant improvements [Member] | Lake Geneva Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 230 |
Tenant improvements [Member] | Glenview Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 279 |
Tenant improvements [Member] | Canandaigua Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 489 |
Tenant improvements [Member] | Hermitage Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 227 |
Tenant improvements [Member] | North Charleston Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Disposition | (801) | |
Tenant improvements [Member] | Oklahoma City Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Disposition | (1,505) | |
Intangibles [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Beginning Balance | 148,077 | 127,931 |
Acquisitions | 1,044 | 24,652 |
Capitalized costs | 172 | 396 |
Disposition | (10,504) | (4,506) |
Ending Balance | 138,617 | 148,077 |
Intangibles [Member] | Redding Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | 872 | |
Intangibles [Member] | Gainesville Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 575 |
Intangibles [Member] | Grand Rapids Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 595 |
Intangibles [Member] | Sarasota Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 1,263 |
Intangibles [Member] | Greenwood [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 426 |
Intangibles [Member] | Fairbanks Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 7,946 |
Intangibles [Member] | Rocky Point Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 589 |
Intangibles [Member] | Fairfax Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 3,304 |
Intangibles [Member] | Lees Summit Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 674 |
Intangibles [Member] | Lexington Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 3,036 |
Intangibles [Member] | Toledo Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 2,044 |
Intangibles [Member] | Lake Geneva Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 725 |
Intangibles [Member] | Glenview Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 912 |
Intangibles [Member] | Canandaigua Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | 1,493 |
Intangibles [Member] | Hermitage Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Acquisitions | | $ 674 |
Intangibles [Member] | North Charleston Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Disposition | (1,098) | |
Intangibles [Member] | Oklahoma City Facility [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Disposition | $ (9,406) | |