Fair Value Measurements (Financial Assets and Liabilities Not Measured At Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013
Carrying Value [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Cash and cash equivalents	$ 123,532	$ 67,228	$ 80,359
Restricted Cash	60	8,000
Pawn loans	264,612	261,148	253,678
Short-term loans and line of credit accounts, net	178,338	202,829	187,869
Installment loans, net	169,887	156,012	140,412
Pawn loan fees and service charges receivable	54,501	53,438	50,090
Total	790,930	748,655	712,408
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Liability for estimated losses on consumer loans guaranteed by the Company	2,532	3,080	2,830
Domestic and Multi-currency Line of credit	9,552	193,717	120,225
Senior unsecured notes	690,491	444,515	455,872
2029 Convertible Notes		101,757	106,752
Total	702,575	743,069	685,679
Estimated Fair Value [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Cash and cash equivalents	123,532	67,228	80,359
Restricted Cash	60	8,000
Pawn loans	264,612	261,148	253,678
Short-term loans and line of credit accounts, net	178,338	202,829	187,869
Installment loans, net	169,887	156,012	140,412
Pawn loan fees and service charges receivable	54,501	53,438	50,090
Total	790,930	748,655	712,408
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Liability for estimated losses on consumer loans guaranteed by the Company	2,532	3,080	2,830
Domestic and Multi-currency Line of credit	10,035	207,426	126,260
Senior unsecured notes	703,838	430,554	445,888
2029 Convertible Notes		155,788	195,612
Total	716,405	796,848	770,590
Estimated Fair Value [Member] | Fair Value, Inputs, Level 1 [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Cash and cash equivalents	123,532	67,228	80,359
Restricted Cash	60	8,000
Pawn loans	0	0	0
Short-term loans and line of credit accounts, net	0	0	0
Installment loans, net	0	0	0
Pawn loan fees and service charges receivable	0	0	0
Total	123,592	75,228	80,359
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Liability for estimated losses on consumer loans guaranteed by the Company	0	0	0
Domestic and Multi-currency Line of credit	0	0	0
Senior unsecured notes	203,838	0	0
2029 Convertible Notes		0	0
Total	203,838	0	0
Estimated Fair Value [Member] | Fair Value, Inputs, Level 2 [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Cash and cash equivalents	0	0	0
Restricted Cash	0	0
Pawn loans	0	0	0
Short-term loans and line of credit accounts, net	0	0	0
Installment loans, net	0	0	0
Pawn loan fees and service charges receivable	0	0	0
Total	0	0	0
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Liability for estimated losses on consumer loans guaranteed by the Company	0	0	0
Domestic and Multi-currency Line of credit	10,035	207,426	126,260
Senior unsecured notes	500,000	430,554	445,888
2029 Convertible Notes		155,788	195,612
Total	510,035	793,768	767,760
Estimated Fair Value [Member] | Fair Value, Inputs, Level 3 [Member]
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Cash and cash equivalents	0	0	0
Restricted Cash	0	0
Pawn loans	264,612	261,148	253,678
Short-term loans and line of credit accounts, net	178,338	202,829	187,869
Installment loans, net	169,887	156,012	140,412
Pawn loan fees and service charges receivable	54,501	53,438	50,090
Total	667,338	673,427	632,049
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Liability for estimated losses on consumer loans guaranteed by the Company	2,532	3,080	2,830
Domestic and Multi-currency Line of credit	0	0	0
Senior unsecured notes	0	0	0
2029 Convertible Notes		0	0
Total	$ 2,532	$ 3,080	$ 2,830