Consolidated Statements of Operations - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Revenues:        
Rental income $ 173,559 $ 164,449 $ 340,634 $ 299,107
Interest income on loans receivable 522   841  
Earned income from direct financing leases 131 132 262 263
Other operating income 723 45 1,594 397
Total revenues 174,935 164,626 343,331 299,767
Expenses:        
General and administrative 13,421 13,450 28,095 26,496
Property costs (including reimbursable) 6,950 6,319 15,205 11,771
Deal pursuit costs 655 257 1,020 499
Interest 27,594 26,170 53,617 52,794
Depreciation and amortization 72,898 60,074 142,006 117,161
Impairments 9,398 7,800 9,525 14,530
Total expenses 130,916 114,070 249,468 223,251
Other income:        
Loss on debt extinguishment   (10) (172) (29,187)
Gain on disposition of assets 38,928 37,507 39,805 39,343
Other income     5,679  
Total other income 38,928 37,497 45,312 10,156
Income before income tax expense 82,947 88,053 139,175 86,672
Income tax expense (207) (129) (379) (217)
Net income 82,740 87,924 138,796 86,455
Dividends paid to preferred shareholders (2,588) (2,588) (5,176) (5,176)
Net income attributable to common stockholders $ 80,152 $ 85,336 $ 133,620 $ 81,279
Net income per share attributable to common stockholders:        
Basic (in USD per share) $ 0.60 $ 0.74 $ 1.02 $ 0.71
Diluted (in USD per share) $ 0.60 $ 0.74 $ 1.02 $ 0.70
Weighted average shares of common stock outstanding:        
Basic (in shares) 134,147,541 115,005,740 131,066,799 114,840,397
Diluted (in shares) 134,219,450 115,557,555 131,307,057 115,212,294
Dividends declared per common share/per partnership unit issued (in USD per share) $ 0.6380 $ 0.6250 $ 1.2760 $ 1.2500