Repurchase Reserve Liability (Detail Textuals)	9 Months Ended	12 Months Ended
	Sep. 30, 2016 USD ($) Security	Dec. 31, 2015 USD ($) Security	Jun. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)
Repurchase Reserve Liability [Abstract]
Repurchase reserve liability	$ 160,000	$ 160,000	$ 160,000	$ 160,000	$ 160,000	$ 160,000
Number of loans sold to the secondary market | Security	2,909	3,024
Balance of loans sold to the secondary market	$ 299,700,000	$ 312,100,000
Loss on repurchase	$ 2,000	$ 40,000