Benefit Plans (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Stock Options [Member]
Summary of stock options' status, in shares [Roll Forward]
Options outstanding, beginning of year (in shares)	0	77,000
Options exercised (in shares)	0	(62,500)
Options canceled or expired (in shares)	0	(14,500)
Options outstanding, end of year (in shares)	0	0
Options available for future grant (in shares)	1,651,500	1,800,000
Weighted Average Exercise Price [Roll Forward]
Options outstanding, beginning of year (in dollars per share)	$ 0	$ 1.59
Options exercised (in dollars per share)	$ 0	$ 1.59
Options canceled or expired (in dollars per share)	$ 0	$ 1.59
Options outstanding, end of year (in dollars per share)	$ 0	$ 0
Plan 2012 [Member] | Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for issuance (in shares)	2,000,000
Plan 2012 [Member] | Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares issued (in shares)	148,500	200,000
Estimated fair value of shares issued	$ 559	$ 704