Schedule I - Condensed Financial Information of the Registrant (Parent Company Only) Parenthetical (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Condensed Financial Statements, Captions [Line Items]
Other assets	$ 21,514	$ 20,580
Accounts payable and accrued expenses	$ 34,458	$ 24,591
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	23,116,000	23,083,000
Common stock, shares outstanding (in shares)	23,038,000	23,005,000
Treasury stock, common shares held (in shares)	78,000	78,000
Intercompany interest expense		$ 228	$ 1,135
Parent Company
Condensed Financial Statements, Captions [Line Items]
Other assets	$ 20,648	23,523
Accounts payable and accrued expenses	$ 104,077	$ 103,269
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	23,116,000	23,083,000
Common stock, shares outstanding (in shares)	23,038,000	23,005,000
Consolidation, Eliminations [Member] | Parent Company
Condensed Financial Statements, Captions [Line Items]
Other assets	$ 19,974	$ 21,982
Accounts payable and accrued expenses	102,697	101,767
Intercompany interest and dividends	142	75,589	952
Intercompany interest expense	$ 2,468	$ 7,389	$ 7,204