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17. Quarterly Data (Tables)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

	2017																	2016
(Dollars in thousands, except per share amounts)		First				Second				Third				Fourth				First				Second				Third				Fourth
Total interest income		$	10,064				10,461				10,698				10,726			$	9,905				9,815				9,982				10,107
Total interest expense			598				622				650				507				809				813				828				821
Net interest income			9,466				9,839				10,048				10,219				9,096				9,002				9,154				9,286

(Reduction of) provision for loan losses			(236	)			49				(218	)			(102	)			(216	)			(531	)			(360	)			(99	)
Other income			2,876				3,281				3,504				3,177				3,324				3,572				3,414				3,666
Other expense			9,795				9,335				9,351				10,169				9,492				9,109				9,598				11,783
Income before income taxes			2,783				3,736				4,419				3,329				3,144				3,996				3,330				1,268

Income taxes (benefit)			578				925				1,177				1,319				691				1,032				872				(34	)
Net earnings			2,205				2,811				3,242				2,010				2,453				2,964				2,458				1,302

Basic net earnings per share		$	0.36				0.47				0.54				0.34			$	0.41				0.49				0.41				0.22
Diluted net earnings per share		$	0.36				0.46				0.53				0.34			$	0.40				0.48				0.40				0.22