XML 38 R40.htm IDEA: XBRL DOCUMENT v3.19.3
Investment securities - Fair Value and Unrealized Losses of Investment Securities in Continuous Unrealized Loss Position (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Available-for-sale and Held-to-maturity securities    
Less Than 12 Months, Fair Value $ 53,295 $ 25,905
12 Months or More, Fair Value 54,899 189,472
Less Than 12 Months, Unrealized Losses 411 132
12 Months or More, Unrealized Losses 297 3,924
Total, Fair Value 108,194 215,377
Total, Unrealized Losses 708 4,056
State and Municipals, Taxable    
Available-for-sale and Held-to-maturity securities    
Less Than 12 Months, Fair Value 8,970  
Less Than 12 Months, Unrealized Losses 238  
Total, Fair Value 8,970  
Total, Unrealized Losses 238  
State and Municipals, Tax-exempt    
Available-for-sale and Held-to-maturity securities    
Less Than 12 Months, Fair Value 6,139 9,022
12 Months or More, Fair Value 1,101 52,352
Less Than 12 Months, Unrealized Losses 29 74
12 Months or More, Unrealized Losses 2 714
Total, Fair Value 7,240 61,374
Total, Unrealized Losses 31 788
U.S. Treasuries    
Available-for-sale and Held-to-maturity securities    
Less Than 12 Months, Fair Value 4,524 1,995
12 Months or More, Fair Value 5,482 19,671
Less Than 12 Months, Unrealized Losses 2 2
12 Months or More, Unrealized Losses 15 363
Total, Fair Value 10,006 21,666
Total, Unrealized Losses 17 365
U.S. Government-sponsored enterprises state and municipals    
Available-for-sale and Held-to-maturity securities    
Less Than 12 Months, Fair Value 29,242 2,037
12 Months or More, Fair Value 38,468 89,729
Less Than 12 Months, Unrealized Losses 129 1
12 Months or More, Unrealized Losses 211 2,182
Total, Fair Value 67,710 91,766
Total, Unrealized Losses 340 2,183
Mortgage-backed Securities, U.S. Government agencies    
Available-for-sale and Held-to-maturity securities    
Less Than 12 Months, Fair Value 423  
12 Months or More, Fair Value 4,346 7,800
Less Than 12 Months, Unrealized Losses 1  
12 Months or More, Unrealized Losses 17 84
Total, Fair Value 4,769 7,800
Total, Unrealized Losses 18 84
Commercial mortgage-backed Securities, U.S. Government-sponsored enterprises    
Available-for-sale and Held-to-maturity securities    
Less Than 12 Months, Fair Value 3,997  
12 Months or More, Fair Value 5,502 6,039
Less Than 12 Months, Unrealized Losses 12  
12 Months or More, Unrealized Losses 52 230
Total, Fair Value 9,499 6,039
Total, Unrealized Losses $ 64 230
Mortgage-backed Securities, U.S. Government-sponsored enterprises    
Available-for-sale and Held-to-maturity securities    
Less Than 12 Months, Fair Value   12,851
12 Months or More, Fair Value   13,881
Less Than 12 Months, Unrealized Losses   55
12 Months or More, Unrealized Losses   351
Total, Fair Value   26,732
Total, Unrealized Losses   $ 406