UNAUDITED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Shares	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Balance, beginning at Dec. 31, 2014	$ 157,659	$ 148	$ 31,137	$ 125,595	$ 779
Balance, beginning, Shares at Dec. 31, 2014		14,758,121
Comprehensive income	9,484			9,462	22
Cash dividends declared	(887)			(887)
Share-based compensation	218		218
Issuance of common shares	34,897	$ 27	34,870
Issuance of common shares, Shares		2,657,000
Exercise of stock options	200		200
Exercise of stock options, Shares		36,980
Balance, ending at Jun. 30, 2015	201,571	$ 175	66,425	134,170	801
Balance, ending, Shares at Jun. 30, 2015		17,452,101
Balance, beginning at Dec. 31, 2015	$ 209,408	$ 176	67,338	142,223	(329)
Balance, beginning, Shares at Dec. 31, 2015	17,567,154	17,567,154
Comprehensive income	$ 12,614			10,820	1,794
Cash dividends declared	(2,475)			(2,475)
Share-based compensation	252		252
Exercise of stock options	648	$ 2	646
Exercise of stock options, Shares		185,666
Balance, ending at Jun. 30, 2016	$ 220,447	$ 178	$ 68,236	$ 150,568	$ 1,465
Balance, ending, Shares at Jun. 30, 2016	17,752,820	17,752,820