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Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Accumulated depreciation and amortization on finance and operating lease right-of-use leases $ 8,150 $ 7,574
Accumulated depreciation of property and equipment $ 17,410 $ 14,487
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 500,000,000 500,000,000
Common stock, shares issued (in shares) 266,532,536 262,063,461
Common stock, shares outstanding (in shares) 266,532,536 262,063,461