CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
CURRENT ASSETS
Cash and cash equivalents	$ 140,852	$ 102,018
Accounts receivable	157,328	129,585
Due from affiliates	6,290	5,836
Prepaid expenses and other current assets	30,449	32,985
Total current assets	334,919	270,424
PROPERTY, EQUIPMENT AND RIGHT-OF-USE ASSETS
Property and equipment, net	435,172	399,335
Operating lease right-of-use assets	593,574	483,661
Total property, equipment and right-of-use assets	1,028,746	882,996
OTHER ASSETS
Goodwill	502,331	472,879
Other intangible assets	51,783	52,393
Deferred financing costs	2,386	1,767
Investment in joint ventures	41,375	34,528
Deferred tax assets, net of current portion	29,390	34,687
Deposits and other	41,268	36,983
Total assets	2,032,198	1,786,657
CURRENT LIABILITIES
Accounts payable, accrued expenses and other	244,536	236,684
Due to affiliates	22,596	14,010
Deferred revenue	31,947	39,257
Current finance lease liability	0	2,578
Current operating lease liability	71,399	65,794
Current portion of notes payable	10,789	39,791
Total current liabilities	381,267	398,114
LONG-TERM LIABILITIES
Long-term finance lease liability	0	743
Long-term operating lease liability	567,674	463,096
Notes payable, net of current portion	749,079	612,913
Other non-current liabilities	34,899	53,488
Total liabilities	1,732,919	1,528,354
EQUITY
Common stock - $0.0001 par value, 200,000,000 shares authorized; 52,678,030 and 51,640,537 shares issued and outstanding at June 30, 2021 and December 31, 2020, respectively	5	5
Additional paid-in-capital	324,954	307,788
Accumulated other comprehensive loss	(22,227)	(24,051)
Accumulated deficit	(105,668)	(117,999)
Total RadNet, Inc.'s stockholders' equity	197,064	165,743
Noncontrolling interests	102,215	92,560
Total equity	299,279	258,303
Total liabilities and equity	$ 2,032,198	$ 1,786,657