Share-Based Payment Arrangements (Narrative) (Details) (USD $) In Thousands, except Share data, unless otherwise specified		9 Months Ended							9 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		24 Months Ended			0 Months Ended		6 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014 Long Term Incentive Plan 2005 [Member]	Sep. 30, 2014 Long Term Incentive Plan 2005 [Member] Minimum [Member]	Sep. 30, 2014 Long Term Incentive Plan 2005 [Member] Maximum [Member]	Sep. 30, 2014 Long Term Incentive Plan 2005 [Member] First Anniversary [Member] Option Issued Prior to 2009 [Member]	Sep. 30, 2014 Long Term Incentive Plan 2005 [Member] Second Anniversary [Member] Option Issued Prior to 2009 [Member]	Sep. 30, 2014 Long Term Incentive Plan 2005 [Member] Third Anniversary [Member] Option Issued Prior to 2009 [Member]	Sep. 30, 2014 Long Term Incentive Plan 2005 [Member] Fourth Anniversary [Member] Option Issued Prior to 2009 [Member]	Sep. 30, 2014 Incentive Stock Options 2010 [Member] Long Term Incentive Plan 2005 [Member]	Sep. 30, 2014 Incentive Stock Options 2011 [Member] 5,000 Grant [Member]	Sep. 30, 2014 Incentive Stock Options 2011 [Member] Long Term Incentive Plan 2005 [Member] 5,000 Grant [Member]	Sep. 30, 2014 Non Qualified Stock Options [Member] Long Term Incentive Plan 2005 [Member]	Sep. 30, 2014 Restricted Stock Units (RSUs) [Member]	Sep. 30, 2013 Restricted Stock Units (RSUs) [Member]	Sep. 30, 2014 Restricted Stock Units (RSUs) [Member]	Sep. 30, 2013 Restricted Stock Units (RSUs) [Member]	Dec. 31, 2013 Restricted Stock Units (RSUs) [Member]	Sep. 30, 2014 Restricted Stock Units (RSUs) [Member] Minimum [Member]	Sep. 30, 2014 Restricted Stock Units (RSUs) [Member] Maximum [Member]	Apr. 10, 2013 Restricted Stock Units (RSUs) [Member] Long Term Incentive Plan 2005 [Member]	Jul. 27, 2012 Restricted Stock Units (RSUs) [Member] Long Term Incentive Plan 2005 [Member]	Jun. 30, 2013 Restricted Stock Units (RSUs) [Member] Long Term Incentive Plan 2005 [Member]	Sep. 30, 2014 Restricted Stock Units (RSUs) [Member] Long Term Incentive Plan 2005 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of non-qualified stock options to purchase shares of common stock outstanding												200,000
Share-based payment award vesting rights									3 years			7 years
Percentage of restricted stock units granted as result of meeting growth rates																		50.00%	150.00%
Number of options vested or expected to vest									25,000	5,000
Share-based payment, award vesting period											7 years
Incentive stock options termination period			5 years	10 years					10 years		10 years
Non qualified stock options termination period		10 years										10 years
Percentage of options vested or expected to vest		100.00%			10.00%	20.00%	30.00%	40.00%
Total unrecognized compensation cost related to non-vested share-based compensation arrangements	$ 262																						$ 979
Compensation costs expected to be recognized during remainder of the fiscal period	43																						95
Compensation costs expected to be recognized during year two	171																						352
Compensation costs expected to be recognized during year three	45																						334
Compensation costs expected to be recognized during year four	3																						169
Compensation costs expected to be recognized during year five																							29
Other than options, granted																				122,823	129,463		175,983
Other than options, forfeited																						9,280	102,987
Allocated share-based compensation expense													170	58	46	89
Options granted, weighted average grant date fair value															$ 9.66		$ 9.20
Income tax benefit of share-based payments recognized in income													$ 59	$ 20	$ 16	$ 31