Available for Sale Securities (Details) - USD ($) $ in Thousands		Dec. 31, 2018	Dec. 31, 2017
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		$ 104,573	$ 116,242
Gross Unrealized Gains		12	2
Gross Unrealized Losses		(3,273)	(2,942)
Fair Value		101,312	113,302
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		3,036	3,048
Gross Unrealized Gains		0	0
Gross Unrealized Losses		(65)	(47)
Fair Value		2,971	3,001
U.S. government agency mortgage-backed securities-residential
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		82,965	93,858
Gross Unrealized Gains		8	1
Gross Unrealized Losses		(2,757)	(2,470)
Fair Value		80,216	91,389
U.S. government agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		16,919	16,935
Gross Unrealized Gains		0	0
Gross Unrealized Losses		(451)	(409)
Fair Value		16,468	16,526
Municipal securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		1,228	2,401
Gross Unrealized Gains	[1]	4	1
Gross Unrealized Losses	[1]	0	(16)
Fair Value	[1]	1,232	$ 2,386
Other
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		425
Gross Unrealized Gains		0
Gross Unrealized Losses		0
Fair Value		$ 425

[1] The issuers of municipal securities are all within New York State.