Summary Of Significant Accounting Policies (Investments And Funds Held For Customers) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Available for Sale Securities Debt Effective Maturity					3 years
Proceeds from Sale of Available-for-sale Securities	$ 0	$ 1,825	$ 14,612	$ 16,955
Cash and Cash Equivalents, Amortized Cost					16,147	[1]
Cash And Cash Equivalents Unrealized Gain Loss					0
Money market funds					16,147
Money market funds, Amortized Cost					11,180	[1]
Money Market Funds, Unrealized Gain Loss					0
Total securities available for sale, Amortized Cost					71,883	[1]
Total securities available for sale, Unrealized Gain (Loss)					(2,522)
Total securities available for sale, Fair Value					69,361
Total investments and funds held for clients, Amortized Cost					99,210	[1]
Total investments and funds held for clients, Unrealized Gain (Loss)					(2,522)
Total investments and funds held for clients, fair value	0		0		96,688
U.S. Government Agency [Member]
Schedule of Available-for-sale Securities [Line Items]
Total securities available for sale, Amortized Cost					63,633	[1]
Total securities available for sale, Unrealized Gain (Loss)					(2,555)
Municipal [Member]
Schedule of Available-for-sale Securities [Line Items]
Total securities available for sale, Amortized Cost					3,497	[1]
Total securities available for sale, Unrealized Gain (Loss)					21
Corporate fixed income - financial [Member]
Schedule of Available-for-sale Securities [Line Items]
Total securities available for sale, Amortized Cost					3,000	[1]
Total securities available for sale, Unrealized Gain (Loss)					0
Corporate fixed income - industrial [Member]
Schedule of Available-for-sale Securities [Line Items]
Total securities available for sale, Amortized Cost					753	[1]
Total securities available for sale, Unrealized Gain (Loss)					12
Certificates of deposits [Member]
Schedule of Available-for-sale Securities [Line Items]
Total securities available for sale, Amortized Cost					1,000	[1]
Total securities available for sale, Unrealized Gain (Loss)					0
Fair Value, Measurements, Recurring [Member]
Schedule of Available-for-sale Securities [Line Items]
Money Market Funds, Fair Value					11,180
Fair Value, Measurements, Recurring [Member] | U.S. Government Agency [Member]
Schedule of Available-for-sale Securities [Line Items]
Total securities available for sale, Fair Value					61,078
Fair Value, Measurements, Recurring [Member] | Municipal [Member]
Schedule of Available-for-sale Securities [Line Items]
Total securities available for sale, Fair Value					3,518
Fair Value, Measurements, Recurring [Member] | Corporate fixed income - financial [Member]
Schedule of Available-for-sale Securities [Line Items]
Total securities available for sale, Fair Value					3,000
Fair Value, Measurements, Recurring [Member] | Corporate fixed income - industrial [Member]
Schedule of Available-for-sale Securities [Line Items]
Total securities available for sale, Fair Value					765
Fair Value, Measurements, Recurring [Member] | Certificates of deposits [Member]
Schedule of Available-for-sale Securities [Line Items]
Total securities available for sale, Fair Value					1,000
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Schedule of Available-for-sale Securities [Line Items]
Money Market Funds, Fair Value					11,180
Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | U.S. Government Agency [Member]
Schedule of Available-for-sale Securities [Line Items]
Total securities available for sale, Fair Value					61,078
Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Municipal [Member]
Schedule of Available-for-sale Securities [Line Items]
Total securities available for sale, Fair Value					3,518
Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate fixed income - financial [Member]
Schedule of Available-for-sale Securities [Line Items]
Total securities available for sale, Fair Value					3,000
Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate fixed income - industrial [Member]
Schedule of Available-for-sale Securities [Line Items]
Total securities available for sale, Fair Value					765
Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Certificates of deposits [Member]
Schedule of Available-for-sale Securities [Line Items]
Total securities available for sale, Fair Value					$ 1,000

[1] (1) Amortized cost represents the original purchase price of the investments, plus or minus any amortized purchase premiums or accreted purchase discounts.