Securities (Details 2) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Amortized Cost	$ 17,600
Less Than 12 Months
Fair Value	117,485	$ 130,116
Unrealized Losses	(396)	(1,288)
More Than 12 Months
Fair Value	89,021	405,894
Unrealized Losses	(935)	(13,926)
Total
Fair Value	206,506	536,010
Unrealized Losses	(1,331)	(15,214)
US Government Agencies Debt Securities [Member]
Less Than 12 Months
Fair Value	9,362	3,052
Unrealized Losses	(44)	(4)
More Than 12 Months
Fair Value	0	11,356
Unrealized Losses	0	(467)
Total
Fair Value	9,362	14,408
Unrealized Losses	(44)	(471)
Mortgage Backed Securities - Residential
Less Than 12 Months
Fair Value	34,500	39,997
Unrealized Losses	(129)	(553)
More Than 12 Months
Fair Value	22,585	111,423
Unrealized Losses	(179)	(3,477)
Total
Fair Value	57,085	151,420
Unrealized Losses	(308)	(4,030)
Collateralized Mortgage Obligations
Less Than 12 Months
Fair Value	60,615	52,838
Unrealized Losses	(186)	(455)
More Than 12 Months
Fair Value	65,977	241,373
Unrealized Losses	(718)	(8,969)
Total
Fair Value	126,592	294,211
Unrealized Losses	(904)	(9,424)
State and Municipal Obligations
Less Than 12 Months
Fair Value	11,015	34,229
Unrealized Losses	(37)	(276)
More Than 12 Months
Fair Value	459	41,742
Unrealized Losses	(38)	(1,013)
Total
Fair Value	11,474	75,971
Unrealized Losses	$ (75)	$ (1,289)