• Filing Date: 2017-02-22
  • Form Type: 10-K
  • Description: Annual report
v3.6.0.2
Earnings Per Share - Summary of Numerator and Denominator of Basic and Fully Diluted Earnings Per Common Share (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]                              
Net income $ 4,608 $ 11,333 $ 7,024 $ 6,056 $ 11,090 $ 7,371 $ 22,022 $ 25,378 $ 14,562 $ 14,052 $ 16,430 $ 17,620 $ 29,021 $ 65,861 $ 62,664
Less: Preferred stock dividends                             4
Less: Income attributable to participating securities                         (1,545) (3,398) (4,318)
Basic Earnings Per Share:                              
Income allocated to common stockholders, Income (Numerator)                         $ 27,476 $ 62,463 $ 58,350
Income allocated to common stockholders, Shares (Denominator)                         9,326 9,602 9,888
Income allocated to common stockholders, Per Share Amount $ 0.47 $ 1.17 $ 0.71 $ 0.60 $ 1.12 $ 0.72 $ 2.17 $ 2.50 $ 1.43 $ 1.34 $ 1.53 $ 1.60 $ 2.95 $ 6.51 $ 5.90
Diluted Earnings Per Share:                              
Income available to common stockholders and assumed conversions, Income (Numerator)                         $ 31,720 $ 66,968 $ 62,689
Income available to common stockholders and assumed conversions, Shares (Denominator)                         10,873 11,355 11,694
Income available to common stockholders and assumed conversions, Per Share Amount $ 0.47 $ 1.10 $ 0.71 $ 0.60 $ 1.05 $ 0.71 $ 1.93 $ 2.21 $ 1.30 $ 1.23 $ 1.39 $ 1.44 $ 2.92 $ 5.90 $ 5.36
Convertible Senior Notes [Member]                              
Effect of Dilutive Securities:                              
Dilutive Securities, Income (Numerator)                         $ 4,244 $ 4,505 $ 4,343
Dilutive Securities, Shares (Denominator)                         1,493 1,651 1,649
Convertible Preferred Stock [Member]                              
Effect of Dilutive Securities:                              
Dilutive Securities, Income (Numerator)                             $ (4)
Dilutive Securities, Shares (Denominator)                             20
Stock Options [Member]                              
Effect of Dilutive Securities:                              
Dilutive Securities, Shares (Denominator)                         54 102 137