Derivatives (Details) - Summary of cash flow hedges included in the consolidated balance sheets - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Included in Assets:
Interest rate swaps related to FHLB advances included in assets, Fair Value	$ 1,714	$ 798
Interest Rate Swap [Member]
Included in Assets:
Interest rate swaps related to FHLB advances included in assets, Notional Amount	100,000	100,000
Interest rate swaps related to FHLB advances included in assets, Fair Value	$ 1,714	$ 798