XML 54 R43.htm IDEA: XBRL DOCUMENT v3.7.0.1
Securities - Securities with Unrealized Losses Not Recognized in Income (Detail) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Schedule of Available-for-sale Securities [Line Items]    
12 Months or less, Fair Value $ 59,484 $ 65,891
12 Months or less, Unrealized Loss (593) (1,185)
More than 12 months, Fair Value 5,478 4,261
More than 12 months, Unrealized Loss (131) (63)
Total Fair Value 64,962 70,152
Total Unrealized Loss (724) (1,248)
U.S. Treasury Securities and Obligations of U.S. Government Agencies [Member]    
Schedule of Available-for-sale Securities [Line Items]    
12 Months or less, Fair Value 20,067 13,271
12 Months or less, Unrealized Loss (73) (61)
More than 12 months, Fair Value 821 893
More than 12 months, Unrealized Loss (12) (16)
Total Fair Value 20,888 14,164
Total Unrealized Loss (85) (77)
Obligations of States and Political Subdivisions [Member]    
Schedule of Available-for-sale Securities [Line Items]    
12 Months or less, Fair Value 11,377 17,167
12 Months or less, Unrealized Loss (188) (558)
More than 12 months, Fair Value 1,547 519
More than 12 months, Unrealized Loss (67) (16)
Total Fair Value 12,924 17,686
Total Unrealized Loss (255) (574)
Mortgage-backed Securities in Government Sponsored Entities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
12 Months or less, Fair Value 28,040 35,453
12 Months or less, Unrealized Loss (332) (566)
More than 12 months, Fair Value 3,110 2,849
More than 12 months, Unrealized Loss (52) (31)
Total Fair Value 31,150 38,302
Total Unrealized Loss $ (384) $ (597)