Related Party Transactions (Details) (USD $)			0 Months Ended	12 Months Ended					3 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Nov. 07, 2012 RangeMark item	Dec. 31, 2013 Former stockholders of Gleacher Partners, Inc.	Dec. 31, 2012 Former stockholders of Gleacher Partners, Inc.	Dec. 31, 2011 Former stockholders of Gleacher Partners, Inc.	Dec. 31, 2010 Former stockholders of Gleacher Partners, Inc.	Dec. 31, 2012 Former owners of RangeMark	Sep. 30, 2013 MatlinPatterson or its affiliated persons or entities item	Dec. 31, 2013 Capstone
Related Party Transactions
Expenses incurred in related party transaction										$ 2,200,000
Aggregate purchase consideration			2,500,000
Number of installments in which purchase consideration is payable			4
Reduction in indemnification claim based upon the resolution of certain tax years				700,000
Amount agreed to be paid to selling parties				10,000,000
Period over which purchase consideration will be paid to selling parties				5 years
Payment of purchase consideration obligation				200,000	4,400,000	0	4,900,000
Amounts receivable from or payable to related parties
Receivables from related parties	856,000	1,474,000
Payables to related parties	475,000	2,944,000		399,000	594,000			2,350,000		76,000
Expense reimbursement of MatlinPatterson									$ 1,100,000
Number of members in Audit Committee not standing for re-election									4