Repurchase Reserve Liability (Detail Textuals) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2017 USD ($) Security	Dec. 31, 2016 USD ($) Security	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Repurchase Reserve Liability [Abstract]
Repurchase reserve liability	$ 160	$ 160	$ 160	$ 160
Number of loans sold to the secondary market | Security	2,843	2,877
Balance of loans sold to the secondary market	$ 291,000	$ 294,400