XML 82 R71.htm IDEA: XBRL DOCUMENT v3.7.0.1
INVESTMENT SECURITIES - Summary of Investment Securities with Unrealized Losses (Detail) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Fair Value    
Less Than 12 Months $ 89,941 $ 80,184
12 Months or Longer 56,085 56,095
Total 146,026 136,279
Gross Unrealized Losses    
Less Than 12 Months (1,402) (1,878)
12 Months or Longer (62) (55)
Total (1,464) (1,933)
Fair Value    
Less Than 12 Months 1,004,399 1,110,832
12 Months or Longer 4,309 4,520
Total 1,008,708 1,115,352
Gross Unrealized Losses    
Less Than 12 Months (29,223) (28,322)
12 Months or Longer (104) (116)
Total (29,327) (28,438)
SBA loan pool securities    
Fair Value    
Less Than 12 Months   1,221
12 Months or Longer   0
Total   1,221
Gross Unrealized Losses    
Less Than 12 Months   0
12 Months or Longer   0
Total   0
Private label residential mortgage-backed securities    
Fair Value    
Less Than 12 Months 115,914 116,216
12 Months or Longer 177 230
Total 116,091 116,446
Gross Unrealized Losses    
Less Than 12 Months (4,473) (4,238)
12 Months or Longer 0 0
Total (4,473) (4,238)
Corporate bonds    
Fair Value    
Less Than 12 Months   9,907
12 Months or Longer   0
Total   9,907
Gross Unrealized Losses    
Less Than 12 Months   (91)
12 Months or Longer   0
Total   (91)
Fair Value    
Less Than 12 Months 0 0
12 Months or Longer 3,539 3,530
Total 3,539 3,530
Gross Unrealized Losses    
Less Than 12 Months 0 0
12 Months or Longer (95) (108)
Total (95) (108)
Collateralized loan obligations    
Fair Value    
Less Than 12 Months 20,115 10,056
12 Months or Longer 56,085 56,095
Total 76,200 66,151
Gross Unrealized Losses    
Less Than 12 Months (8) (6)
12 Months or Longer (62) (55)
Total (70) (61)
Fair Value    
Less Than 12 Months 94,620 187,592
12 Months or Longer 0 0
Total 94,620 187,592
Gross Unrealized Losses    
Less Than 12 Months (193) (674)
12 Months or Longer 0 0
Total (193) (674)
Commercial mortgage-backed securities    
Fair Value    
Less Than 12 Months 69,826 60,221
12 Months or Longer 0 0
Total 69,826 60,221
Gross Unrealized Losses    
Less Than 12 Months (1,394) (1,781)
12 Months or Longer 0 0
Total (1,394) (1,781)
Agency mortgage-backed securities    
Fair Value    
Less Than 12 Months 793,865 805,803
12 Months or Longer 593 760
Total 794,458 806,563
Gross Unrealized Losses    
Less Than 12 Months (24,557) (23,410)
12 Months or Longer (9) (8)
Total $ (24,566) $ (23,418)