OTHER ASSETS (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Other Assets Components [Abstract]
Leasing costs (principally commissions)	$ 116,772	$ 95,914
Accumulated amortization of leasing costs	(42,193)	(38,371)
Leasing costs (principally commissions), net of accumulated amortization	74,579	57,543
Acquired-in-place lease intangibles	31,561	28,107
Accumulated amortization of acquired in-place lease intangibles	(13,038)	(13,554)
Acquired In Place Lease Intangibles Net Of Accumulated Amortization	18,523	14,553
Acquired above market lease intangibles	885	1,825
Accumulated amortization of acquired above market lease intangibles	(508)	(1,231)
Acquired above market lease intangibles, net of accumulated amortization	377	594
Straight-line rents receivable	51,970	43,079
Accounts receivable	7,133	6,064
Interest rate swap assets	2,237	0
Right of use assets - Office Leases (operating)	1,984	2,131
Receivable for common stock offerings	0	1,942
Goodwill	990	990
Receivable for tenant improvement cost reimbursements	7,680	192
Prepaid expenses and other assets	16,747	22,491
Total Other Assets	$ 182,220	$ 149,579