Quarterly report pursuant to Section 13 or 15(d)

Securities (Details)

v3.8.0.1
Securities (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Schedule of Available-for-sale Securities [Line Items]    
Cost Basis $ 242,395 $ 235,903
Gross Unrealized Gains 3,759 2,587
Gross Unrealized Losses (2,602) (4,865)
Estimated Fair Value 243,552 233,625
Municipal securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Cost Basis 89,965 95,242
Gross Unrealized Gains 3,207 2,146
Gross Unrealized Losses (84) (643)
Estimated Fair Value 93,088 96,745
U.S. government sponsored entities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Cost Basis 3,996 16,643
Gross Unrealized Gains 0 0
Gross Unrealized Losses (82) (369)
Estimated Fair Value 3,914 16,274
Collateralized mortgage obligations and residential mortgage-backed securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Cost Basis 141,870 118,807
Gross Unrealized Gains 552 441
Gross Unrealized Losses (847) (1,273)
Estimated Fair Value 141,575 117,975
Collateralized Debt Obligations [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Cost Basis 4,853 4,989
Gross Unrealized Gains 0 0
Gross Unrealized Losses (1,589) (2,580)
Estimated Fair Value 3,264 2,409
Money market fund [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Cost Basis 1,711 222
Gross Unrealized Gains 0 0
Gross Unrealized Losses 0 0
Estimated Fair Value $ 1,711 $ 222