Allowance for Credit Losses and Credit Quality - Allowance for Credit Losses by Subsidiary (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses, Beginning balance	$ 14,565	$ 14,747	$ 15,379	$ 14,038
Charge-offs	(6,180)	(5,606)	(13,504)	(11,178)
Recoveries	1,707	1,692	3,183	3,092
Provisions	4,391	4,743	9,425	9,624
Allowance for credit losses, Ending balance	14,483	15,576	14,483	15,576
Lease-Comm Microticket Equipment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses, Beginning balance	69	98	91	103
Charge-offs	(54)	(51)	(150)	(170)
Recoveries	58	37	120	89
Provisions	(2)	24	10	86
Allowance for credit losses, Ending balance	71	108	71	108
Time-Payment Microticket Equipment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses, Beginning balance	14,496	14,649	15,288	13,935
Charge-offs	(6,126)	(5,555)	(13,354)	(11,008)
Recoveries	1,649	1,655	3,063	3,003
Provisions	4,393	4,719	9,415	9,538
Allowance for credit losses, Ending balance	$ 14,412	$ 15,468	$ 14,412	$ 15,468