XML 70 R57.htm IDEA: XBRL DOCUMENT v3.10.0.1
Debt Securities with an Unrealized Loss Position (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Available-for-sale, Fair Value    
Less than 12 Months $ 444,401 $ 586,721
12 Months or More 1,016,813 484,508
Total 1,461,214 1,071,229
Available-for-sale, Unrealized Loss    
Less than 12 Months (3,224) (4,533)
12 Months or Longer (28,993) (11,161)
Total (32,217) (15,694)
Held-to-maturity, Fair Value    
Less than 12 Months 87,392 21,207
12 Months or More 126,226 105,486
Total 213,618 126,693
Held-to-maturity, Unrealized Loss    
Less than 12 Months (2,778) (186)
12 Months or More (8,261) (8,387)
Total (11,039) (8,573)
U.S. government and federal agency    
Available-for-sale, Fair Value    
Less than 12 Months 4,287 1,208
12 Months or More 10,519 13,179
Total 14,806 14,387
Available-for-sale, Unrealized Loss    
Less than 12 Months (27) (5)
12 Months or Longer (135) (138)
Total (162) (143)
U.S. government sponsored enterprises    
Available-for-sale, Fair Value    
Less than 12 Months 43,400 14,926
12 Months or More 35,544 3,425
Total 78,944 18,351
Available-for-sale, Unrealized Loss    
Less than 12 Months (103) (56)
12 Months or Longer (411) (48)
Total (514) (104)
State and local governments    
Available-for-sale, Fair Value    
Less than 12 Months 72,080 61,126
12 Months or More 232,244 121,181
Total 304,324 182,307
Available-for-sale, Unrealized Loss    
Less than 12 Months (922) (689)
12 Months or Longer (10,400) (4,475)
Total (11,322) (5,164)
Held-to-maturity, Fair Value    
Less than 12 Months 87,392 21,207
12 Months or More 126,226 105,486
Total 213,618 126,693
Held-to-maturity, Unrealized Loss    
Less than 12 Months (2,778) (186)
12 Months or More (8,261) (8,387)
Total (11,039) (8,573)
Corporate bonds    
Available-for-sale, Fair Value    
Less than 12 Months 119,111 99,636
12 Months or More 114,800 29,034
Total 233,911 128,670
Available-for-sale, Unrealized Loss    
Less than 12 Months (937) (264)
12 Months or Longer (676) (219)
Total (1,613) (483)
Residential mortgage backed securities    
Available-for-sale, Fair Value    
Less than 12 Months 132,405 372,175
12 Months or More 537,202 254,721
Total 669,607 626,896
Available-for-sale, Unrealized Loss    
Less than 12 Months (833) (3,050)
12 Months or Longer (15,417) (4,880)
Total (16,250) (7,930)
Commercial mortgage backed securities    
Available-for-sale, Fair Value    
Less than 12 Months 73,118 37,650
12 Months or More 86,504 62,968
Total 159,622 100,618
Available-for-sale, Unrealized Loss    
Less than 12 Months (402) (469)
12 Months or Longer (1,954) (1,401)
Total $ (2,356) $ (1,870)