Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies [Abstract]

Future minimum rental commitments under noncancellable operating leases

At December 31, 2014, future minimum rental commitments under non-cancellable operating leases are as follows ($ in thousands):

Year	Amount
2015	$	6,010
2016		4,034
2017		3,568
2018		3,140
2019		2,585
Thereafter		11,960
Total	$	31,297