1. Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Earnings available to common stockholders:
Net income	$ 2,387	$ 2,444	$ 4,705	$ 4,538
Noncontrolling interest income (loss)	59	86	32	90
Preferred stock dividends	105	127	209	255
Net income available to common stockholders	$ 2,223	$ 2,231	$ 4,464	$ 4,193