Debt (Tables)

6 Months Ended

Jun. 30, 2014

Debt Disclosure [Abstract]

Schedule of Debt and Capital Lease Obligations [Table Text Block]

As of June 30, 2014 and December 31, 2013, the Company's outstanding debt was as follows:

	As of June 30, 2014		As of December 31, 2013
	(dollars in thousands)
Convertible debt	$	115,549	$	—
Note payable	893		41
Capital lease obligations	4,605		2,523
	$	121,047	$	2,564

Schedule of Maturities of Debt and Future Minimum Lease Payments for Capital Leases [Table Text Block]

Annual scheduled maturities of debt and minimum payments for debt outstanding as of June 30, 2014, is as follows:

	Convertible Debt			Notes payable			Capital Lease Obligation
	(dollars in thousands)
2014	$	2,284		$	905		$	824
2015	4,411			—			1,343
2016	4,411			—			1,025
2017	4,411			—			938
2018	4,411			—			938
Thereafter	151,688			—			79
Subtotal	171,616			905			5,147
Less: Amount representing interest (a)	(56,067		)	(12		)	(542		)
Total	$	115,549		$	893		$	4,605

(a) Amount necessary to reduce net minimum payments to present value calculated at the Company's implicit rate at inception

Schedule of Line of Credit Facilities [Table Text Block]

As of June 30, 2014, the Company has the following six irrevocable letters of credit related to leased office space, for which there is cash collateral pledged, which the Company pays a fee on the stated amount of the letter of credit.

Location	Amount		Maturity
	(dollars in thousands)
San Francisco	$	82	May 2015
Boston	$	382	March 2015
New York	$	892	September 2014
New York	$	4,497	December 2014
New York	$	1,000	February 2015
New York	$	1,861	June 2015