v2.4.0.8
Summary Of Quarterly Financial Information (Unaudited) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Quarterly Financial Information Disclosure [Abstract]                      
Total interest income $ 78,307 $ 81,599 $ 82,268 $ 54,761 $ 57,209 $ 59,469 $ 62,114 $ 69,712 $ 296,935 $ 248,504 $ 251,271
Total interest expense 1,098 1,184 2,279 1,279 2,311 2,204 2,413 2,649 5,840 9,577 14,535
Net Interest Income 77,209 80,415 79,989 53,482 54,898 57,265 59,701 67,063 291,095 238,927 236,736
Provision for loan and lease losses (2,100) 4,260 2,000 (1,000) 2,350 2,875 3,750 4,500 3,160 13,475  
Provision for losses on covered loans (1,582) (947) (1,712) 980 2,511 (3,992) 11,688 15,685 (3,261) 25,892  
Noninterest income (loss) 10,612 7,622 6,808 1,658 6,567 (911) 11,828 9,574 26,700 27,058 (9,283)
Noninterest expense 63,619 64,714 64,504 38,049 37,800 40,936 39,825 44,352 230,886 162,913 155,759
Income before income taxes 27,884 20,010 22,005 17,111 18,804 16,535 16,266 12,100 87,010 63,705 65,942
Income tax expense (benefit) 7,911 6,734 7,414 4,935 5,342 4,655 4,367 3,198 26,994 17,562 17,905
Net Income (Loss) $ 19,973 $ 13,276 $ 14,591 $ 12,176 $ 13,462 $ 11,880 $ 11,899 $ 8,902 $ 60,016 $ 46,143 $ 48,037
Per Common Share                      
Earnings (basic) $ 0.39 [1] $ 0.26 [1] $ 0.28 [1] $ 0.31 [1] $ 0.34 [1] $ 0.30 [1] $ 0.30 [1] $ 0.22 [1] $ 1.24 [1] $ 1.16 [1] $ 1.22
Earnings (diluted) $ 0.38 [1] $ 0.25 [1] $ 0.28 [1] $ 0.31 [1] $ 0.34 [1] $ 0.30 [1] $ 0.30 [1] $ 0.22 [1] $ 1.21 [1] $ 1.16 [1] $ 1.21
[1] Due to averaging of shares, quarterly earnings per share may not add up to the totals reported for the full year.