XML 50 R65.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Schedule III - Real Estate and Accumulated Depreciation - Reconciliation of Real Estate Properties (Details) - USD ($)
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
SEC Schedule III, Real Estate and Accumulated Depreciation Disclosure [Abstract]      
Balance at January 1 $ 1,761,646,695 $ 1,299,254,832 $ 1,019,956,329
Construction and acquisition cost 644,483,047 519,369,366 312,695,116
Impairment charge (1,609,000) (1,163,000) 0
Disposition of real estate (53,596,678) (55,814,503) (31,146,055)
Reclassified as assets held for sale (4,584,178) 0 (2,250,558)
Balance at December 31 $ 2,346,339,886 $ 1,761,646,695 $ 1,299,254,832