Quarterly report pursuant to Section 13 or 15(d)

Securities (Details)

v3.10.0.1
Securities (Details) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Schedule of Available-for-sale Securities [Line Items]    
Cost Basis $ 243,527 $ 243,619
Gross Unrealized Gains 998 3,879
Gross Unrealized Losses (6,361) (3,008)
Estimated Fair Value 238,164 244,490
Municipal securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Cost Basis 89,963 100,088
Gross Unrealized Gains 972 3,709
Gross Unrealized Losses (814) (50)
Estimated Fair Value 90,121 103,747
U.S. government sponsored entities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Cost Basis 7,997 3,996
Gross Unrealized Gains 2 0
Gross Unrealized Losses (178) (106)
Estimated Fair Value 7,821 3,890
Collateralized mortgage obligations and residential mortgage-backed securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Cost Basis 139,149 134,224
Gross Unrealized Gains 24 170
Gross Unrealized Losses (4,042) (1,456)
Estimated Fair Value 135,131 132,938
Collateralized Debt Obligations [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Cost Basis 4,810 4,835
Gross Unrealized Gains 0 0
Gross Unrealized Losses (1,327) (1,396)
Estimated Fair Value 3,483 3,439
Money market fund [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Cost Basis 1,608 476
Gross Unrealized Gains 0 0
Gross Unrealized Losses 0 0
Estimated Fair Value $ 1,608 $ 476