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Summarized Quarterly Financial Data (Unaudited) - Summary of Unaudited Quarterly Financial Results of Operations (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Quarterly Financial Information Disclosure [Abstract]                        
Total revenues $ 281,252 $ 275,436 $ 265,677 $ 240,432 $ 267,720 $ 251,913 $ 238,039 $ 249,303 $ 1,062,797 $ 1,006,975 $ 1,123,761 $ 1,238,961
Income (loss) from continuing operations 41,603 45,662 29,734 15,321 30,062 25,366 20,901 (32,917) 132,320 43,412 156,247  
Income (loss) from continuing operations before provision for income taxes 29,279 32,847 17,059 2,539 (28,941) 11,468 5,965 (48,316) 81,724 (59,824) 91,925 $ 104,663
Net income (loss) from continuing operations $ 21,730 $ 24,728 $ 12,251 $ 1,855 $ (21,333) $ 7,983 $ 4,381 $ (37,427) $ 60,564 $ (46,396) $ 69,190  
Basic net income (loss) from continuing operations per common share $ 0.60 $ 0.68 $ 0.34 $ 0.05 $ (0.59) $ 0.22 $ 0.12 $ (1.04) $ 1.67 $ (1.29) $ 1.93  
Diluted net income (loss) from continuing operations per common share $ 0.59 $ 0.68 $ 0.34 $ 0.05 $ (0.59) $ 0.22 $ 0.12 $ (1.04) $ 1.66 $ (1.29) $ 1.92