CONSOLIDATED STATEMENTS OF CASH FLOWS - Supplemental Disclosures - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
CASH AND CASH EQUIVALENTS AND RESTRICTED DEPOSITS AT END OF PERIOD
Cash and cash equivalents	$ 13,685	$ 16,297
Restricted deposits	8,415	14,811
TOTAL CASH AND CASH EQUIVALENTS AND RESTRICTED DEPOSITS, END OF PERIOD	22,100	31,108
SCHEDULE OF CASH FLOW INFORMATION
Cash paid during the period for interest, net of capitalized interest	13,884	13,648
SUPPLEMENTARY SCHEDULE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Dividends reinvested	4,591	4,256
Dividends declared and not paid	2,435	2,248
UPREIT distributions declared and not paid	4,655	4,470
UPREIT units converted to REIT common shares	28
Shares issued pursuant to trustee compensation plan	62	57
Acquisition of assets in exchange for the issuance of noncontrolling interest units in UPREIT		2,176
Increase in land improvements due to increase in special assessments payable	213	399
Unrealized gain on interest rate swaps	14	32
Acquisition of assets through assumption of debt and liabilities		71
Capitalized interest and real estate taxes related to construction in progress	$ 55	108
Acquisition of assets with accounts payable		$ 215