Fixed Assets (Tables)

12 Months Ended

Dec. 31, 2018

Fixed Assets [Abstract]

Property, Plant and Equipment [Table Text Block]

As of December 31, 2018 and 2017, fixed assets consisted of the following:

	As of December 31,
	2018			2017
	(dollars in thousands)
Telephone and computer equipment	$	3,301		$	3,465
Computer software	4,214			2,914
Furniture and fixtures	2,829			1,423
Leasehold improvements	37,652			36,702
Assets acquired under capital leases—equipment	10,077			6,920
Aircraft and related equipment	—			17,369
Other	—			58
	58,073			68,851
Less: Accumulated depreciation and amortization	(31,630		)	(28,355		)
	$	26,443		$	40,496