Net Income Per Share (Reconciliation Of Numerators And Denominators For Basic And Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Earnings Per Share [Abstract]
Net Income		$ 2,098	$ 2,071	$ 12,731	$ 9,916
Total weighted average basic shares	[1]	24,326	27,326	24,569	28,005
Shares applicable to stock-based compensation	[2]	388	182	339	119
Total weighted average diluted shares	[3]	24,714	27,508	24,908	28,124
Net Income - basic		$ 0.09	$ 0.08	$ 0.52	$ 0.35
Net Income - diluted		$ 0.08	$ 0.08	$ 0.51	$ 0.35
Vested restricted stock units, in shares		291	299	292	302
Anti-dilutive shares		15	117	15	239

[1] Includes vested and deferred RSUs of 291 and 299 for the three months ended June 30, 2016 and 2015, respectively, and 292 and 302 for the six months ended June 30, 2016 and 2015, respectively.

[2] Includes the dilutive effect of shares related to unvested RSU awards.

[3] Excludes 15 and 117 anti-dilutive shares for the three months ended June 30, 2016 and 2015, respectively, and 15 and 239 for the six months ended June 30, 2016 and 2015, respectively.