Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities
Net income (loss) for the period	$ 2,167	$ 6,959
Adjustments to reconcile net income to net cash used in operating activities
Payment of taxes due for share-based awards	(2,074)	0
Depreciation and amortization of office facilities and leasehold improvements	3,862	5,045
Deferred income taxes	7,299	14,399
Amortization of notes receivable	8,534	9,388
Amortization of debt issuance costs	287	319
Write-off of debt issuance costs	588	0
Amortization of mortgage servicing rights	1,514	538
Provision for (reversal of) credit losses	13	(147)
Share-based compensation	3,479	3,280
Decrease (increase) in operating assets:
Cash and securities segregated for regulatory and other purposes	17,206	(7,055)
Deposits with clearing organizations	(8,506)	(417)
Receivable from brokers, dealers and clearing organizations	13,556	193,866
Receivable from customers	(82,159)	(146,509)
Income tax receivable	(6,678)	(11,165)
Securities purchased under agreements to resell	(65,175)	0
Securities owned	(88,383)	(109,148)
Notes receivable	(5,599)	(4,555)
Loans held for sale	60,183	(13,486)
Mortgage servicing rights less amortization	(1,750)	(1,220)
Other assets	29,586	(22,786)
Increase (decrease) in operating liabilities:
Drafts payable	(15,285)	(8,908)
Payable to brokers, dealers and clearing organizations	32,117	50,501
Payable to customers	58,320	(59,725)
Securities sold under agreements to repurchase	59,115	103,631
Securities sold, but not yet purchased	49,778	(62,374)
Accrued compensation	(58,363)	(34,910)
Accounts payable and other liabilities	(27,022)	(11,400)
Cash used in operating activities	(13,390)	(105,879)
Cash flows from investing activities
Purchase of office facilities	(2,185)	(11,687)
Cash used in investing activities	(2,185)	(11,687)
Cash flows from investing activities
Cash dividends paid on Class A non-voting and Class B voting common stock	(2,984)	(2,994)
Issuance of Class A non-voting common stock	185	0
Repurchase of Class A non-voting common stock for cancellation	0	(208)
Tax benefit from share-based awards	1,254	0
Redemption of senior secured notes	(45,000)	0
Increase in bank call loans, net	29,000	91,500
Cash (used in) provided by financing activities	(17,545)	88,298
Net decrease in cash and cash equivalents	(33,120)	(29,268)
Cash and cash equivalents, beginning of period	98,294	135,366
Cash and cash equivalents, end of period	65,174	106,098
Schedule of non-cash financing activities
Employee share plan issuance	1,774	0
Supplemental disclosure of cash flow information
Cash paid during the period for interest	10,507	13,349
Cash paid during the period for income taxes, net of refunds	$ 2,161	$ 1,939