Goodwill and Other Assets (Other Assets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Goodwill and Intangible Assets Disclosure [Abstract]
Intangible assets	$ 9,834	$ 8,985
Less: accumulated amortization	(6,093)	(4,888)
Intangible assets, net	3,741	4,097
Prepaid expenses	4,029	3,977
Deferred financing costs, net	8,559	6,485
Deposits on potential future acquisitions	17,943	4,500
Other assets	3,687	2,384
Other assets, net	$ 37,959	$ 21,443