Available for Sale Securities (Details 1) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value	$ 1,669	$ 42,118
Less Than 12 Months Unrealized Losses	(4)	(642)
12 Months or Longer Fair Value	96,025	69,750
12 Months or Longer Unrealized Losses	(3,269)	(2,300)
Total Fair Value	97,694	111,868
Total Unrealized Losses	(3,273)	(2,942)
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value	0	3,001
Less Than 12 Months Unrealized Losses	0	(47)
12 Months or Longer Fair Value	2,971	0
12 Months or Longer Unrealized Losses	(65)	0
Total Fair Value	2,971	3,001
Total Unrealized Losses	(65)	(47)
U.S. government agency mortgage-backed securities-residential
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value	1,669	34,601
Less Than 12 Months Unrealized Losses	(4)	(542)
12 Months or Longer Fair Value	76,586	56,170
12 Months or Longer Unrealized Losses	(2,753)	(1,928)
Total Fair Value	78,255	90,771
Total Unrealized Losses	(2,757)	(2,470)
U.S. government agency securities
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value	0	3,923
Less Than 12 Months Unrealized Losses	0	(50)
12 Months or Longer Fair Value	16,468	12,603
12 Months or Longer Unrealized Losses	(451)	(359)
Total Fair Value	16,468	16,526
Total Unrealized Losses	$ (451)	(409)
Municipal securities
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Months Fair Value		593
Less Than 12 Months Unrealized Losses		(3)
12 Months or Longer Fair Value		977
12 Months or Longer Unrealized Losses		(13)
Total Fair Value		1,570
Total Unrealized Losses		$ (16)