4. Allowance for Loan Losses (Details 3) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Credit cards	$ 2,753	$ 2,822
Dealer Finance	71,221	65,495
Performing [Member]
Credit cards	2,752	2,822
Dealer Finance	70,984	65,291
Non performing [Member]
Credit cards	1	0
Dealer Finance	$ 237	$ 204