Annual report pursuant to Section 13 and 15(d)

Quarterly Financial Data (Unaudited) (Detail)

v3.6.0.2
Quarterly Financial Data (Unaudited) (Detail) - USD ($)
$ / shares in Units, $ 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, 2016
Dec. 31, 2015
Dec. 31, 2014
Quarterly Financial Information Disclosure [Abstract]                      
Revenues $ 297,059 $ 274,323 $ 269,775 $ 265,796 $ 294,333 $ 282,214 $ 296,748 $ 278,823 $ 1,106,953 $ 1,152,118 $ 921,253
Expenses 294,435 281,162 271,302 272,124 294,778 285,363 299,581 284,146 1,119,023 1,163,868 911,259
(Loss) income before item shown below 2,624 (6,839) (1,527) (6,328) (445) (3,149) (2,833) (5,323) (12,070) (11,750) 9,994
Change in fair value of contingent consideration (38) (72) (49) (57) 24 0 0 31 (216) 55 12
(Loss) income before income taxes 2,586 (6,911) (1,576) (6,385) (421) (3,149) (2,833) (5,292) (12,286) (11,695) 10,006
Net (loss) income 621 (7,515) (17,801) 2,384 (2,227) (2,937) (2,477) (3,572) (22,311) (11,213) 33,352
Loss attributable to noncontrolling interest 9 1 14 18 23 11 8 20 42 62 81
Net (loss) income attributable to the Company 630 (7,514) (17,787) 2,402 (2,204) (2,926) (2,469) (3,552) (22,269) (11,151) 33,433
Dividends declared on preferred stock (7,924) (7,780) (7,389) (7,345) (7,335) (7,289) (7,152) (6,332) (30,438) (28,108) (17,244)
Net (loss) income available to common shareholders $ (7,294) $ (15,294) $ (25,176) $ (4,943) $ (9,539) $ (10,215) $ (9,621) $ (9,884) $ (52,707) $ (39,259) $ 16,189
Basic loss per common share (in USD per share) $ (0.04) $ (0.08) $ (0.14) $ (0.03) $ (0.05) $ (0.06) $ (0.05) $ (0.05) $ (0.29) $ (0.21) $ 0.09
Diluted loss per common share (in USD per share) $ (0.04) $ (0.08) $ (0.14) $ (0.03) $ (0.05) $ (0.06) $ (0.05) $ (0.05) $ (0.29) $ (0.21) $ 0.08
Basic weighted average common shares (in shares) 188,837,490 181,032,730 180,674,937 181,363,446 181,423,440 183,519,768 184,743,052 184,998,551 182,987,850 183,660,993 182,768,494
Diluted weighted average common shares (in shares) 188,837,490 181,032,730 180,674,937 181,363,446 181,423,440 183,519,768 184,743,052 184,998,551 182,987,850 183,660,993 206,512,437