Parent Corporation Only Financial Statements (Details) - Condensed Statements of Income - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income:
Dividend income from subsidiaries									$ 1,081	$ 636	$ 523
Net Income	$ 9,568	$ 10,842	$ 10,521	$ 10,379	$ 8,023	$ 1,766	$ 4,378	$ 4,398	41,311	18,565	19,925
Parent Company [Member]
Income:
Dividend income from subsidiaries									10,537	9,276	4,393
Other income									$ 7	$ 6	6
Net gains on available for sale securities											22
Management fees										$ 100	353
Total Income									$ 10,544	9,382	4,774
Expenses									(1,705)	(707)	(765)
Income before equity in undistributed earnings of subsidiaries									8,839	8,675	4,009
Equity in undistributed earnings of subsidiaries									32,472	9,890	15,916
Net Income									$ 41,311	$ 18,565	$ 19,925