Annual report pursuant to Section 13 and 15(d)

Schedule I - Condensed Balance Sheets (Details)

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Schedule I - Condensed Balance Sheets (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Current assets:        
Cash and cash equivalents $ 298,529 $ 252,141 $ 293,666 $ 32,117
Short-term investments 2,400 58,807    
Other current assets 87,873 92,095    
Total current assets 747,133 683,623    
Non-current assets:        
Deferred tax asset 22,728 41,047    
Total assets 3,255,170 2,942,275    
Current liabilities:        
Long-term debt, current portion 11,944 40,384    
Operating leases, current portion 57,563 51,261    
Other current liabilities 154,097 137,488    
Total current liabilities 446,431 408,434    
Non-current liabilities:        
Total long-term debt, net 740,043 676,625    
Operating leases 1,218,045 1,076,905    
Other non-current liabilities 178,945 136,853    
Total liabilities 2,874,280 2,588,599    
Series A redeemable preferred stock 100,000 100,000    
Shareholders' equity 280,834 253,452    
Total liabilities, redeemable preferred stock and equity 3,255,170 2,942,275    
Parent Company        
Current assets:        
Cash and cash equivalents 93,721 88,508 $ 117,179 $ 21,302
Short-term investments 0 40,119    
Other current assets 16,168 10,110    
Total current assets 109,889 138,737    
Non-current assets:        
Investment in subsidiaries 312,708 255,444    
Loans to subsidiaries 450,000 450,000    
Deferred tax asset 2,239 2,403    
Total assets 874,836 846,584    
Current liabilities:        
Long-term debt, current portion 1,145 1,500    
Other current liabilities 17,364 7,436    
Total current liabilities 18,509 8,936    
Non-current liabilities:        
Total long-term debt, net 443,648 442,889    
Other non-current liabilities 31,845 41,307    
Total liabilities 494,002 493,132    
Series A redeemable preferred stock 100,000 100,000    
Shareholders' equity 280,834 253,452    
Total liabilities, redeemable preferred stock and equity $ 874,836 $ 846,584