Employee Benefits (Tables)

12 Months Ended

Dec. 31, 2017

Employee Benefits and Share-based Compensation [Abstract]

Employee Stock Ownership Plan (ESOP) Disclosures

The ESOP shares as of December 31 are as follows:

ESOP Shares	At December 31,
	2017		2016
Allocated shares	441,654		406,371
Shares committed to be released	39,805		35,283
Unallocated shares	106,734		146,539
Total ESOP shares	588,193		588,193
Market value of unallocated shares (in thousands)	$	2,809	$	4,034

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The assumptions used to value SARs are as follows:

	2017 grant with 7 year expiration		2017 grant with 5 year expiration		2015 grant
Risk-free interest rate	2.24	%	2.16	%	1.96	%
Expected dividend yield	1.45	%	1.45	%	2.75	%
Expected common stock volatility	59.60	%	60.05	%	61.84	%
Expected life	7 years		6.5 years		10 years

Schedule of Stock Options, Activity

A summary of activity in our Plans during 2015, 2016 and 2017 is as follows:

					Weighted Average
Dollars in thousands, except per share amounts	Options / SARs		Aggregate Intrinsic Value		Remaining Contractual Term (Yrs.)	Exercise Price
Outstanding, December 31, 2014	157,170					$	20.43
Granted	166,717					12.01
Exercised	(6,560	)				7.87
Forfeited	—					—
Expired	(73,180	)				23.67
Outstanding, December 31, 2015	244,147					$	14.05
Granted	—					—
Exercised	(24,740	)				18.08
Forfeited	—					—
Expired	(1,550	)				18.79
Outstanding, December 31, 2016	217,857					$	13.56
Granted	87,615					26.01
Exercised	(51,781	)				13.62
Forfeited	—					—
Expired	(3,400	)				24.97
Outstanding, December 31, 2017	250,291		$	2,146	7.34	$	17.75
Exercisable Options/SARs:
December 31, 2017	62,646		$	687	4.92	$	15.35
December 31, 2016	84,483		974		4.73	$	16.00
December 31, 2015	77,430		103		2.62	$	18.43