XML 54 R43.htm IDEA: XBRL DOCUMENT v3.19.1
Securities - Available for Sale Securities (Detail) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost, Total securities available for sale $ 340,821  
Fair Value 349,934 $ 346,294
U.S. Treasury Securities and Obligations of U.S. Government Agencies [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost, Total securities available for sale 22,098 30,623
Gross Unrealized Gains 147 202
Gross Unrealized Losses (76) (140)
Fair Value 22,169 30,685
Obligations of States and Political Subdivisions [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost, Total securities available for sale 175,863 168,993
Gross Unrealized Gains 7,543 3,680
Gross Unrealized Losses (81) (602)
Fair Value 183,325 172,071
Mortgage-backed Securities in Government Sponsored Entities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost, Total securities available for sale 142,860 143,707
Gross Unrealized Gains 2,199 1,024
Gross Unrealized Losses (619) (1,193)
Fair Value 144,440 143,538
Total Debt Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost, Total securities available for sale 340,821 343,323
Gross Unrealized Gains 9,889 4,906
Gross Unrealized Losses (776) (1,935)
Fair Value $ 349,934 $ 346,294