OTHER ASSETS (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Other Assets Components [Abstract]
Leasing costs (principally commissions)	$ 130,445	$ 116,772
Accumulated amortization of leasing costs	(45,555)	(42,193)
Leasing costs (principally commissions), net of accumulated amortization	84,890	74,579
Acquired in-place lease intangibles	39,992	31,561
Accumulated amortization of acquired in-place lease intangibles	(14,714)	(13,038)
Acquired in-place lease intangibles, net of accumulated amortization	25,278	18,523
Acquired above market lease intangibles	840	885
Accumulated amortization of acquired above market lease intangibles	(532)	(508)
Acquired above market lease intangibles, net of accumulated amortization	308	377
Straight-line rents receivable	55,648	51,970
Accounts receivable	4,206	7,133
Interest rate swap assets	24,912	2,237
Right of use assets - Office leases (operating)	2,140	1,984
Escrow deposits for pending acquisitions	4,450	3,050
Prepaid Insurance	5,930	7,793
Goodwill	990	990
Receivable for tenant improvement cost reimbursements	566	7,680
Prepaid expenses and other assets	8,748	5,904
Total Other Assets	$ 218,066	$ 182,220