CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (USD $) In Thousands, except Share data	Total		Common Stock [Member]	Treasury [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Non-controlling Interest Non Redeemable [Member]
Balance at Dec. 31, 2012	$ 272,214		$ 216	$ (33,846)	$ 100,619	$ 201,192	$ 4,033
Balance, shares at Dec. 31, 2012			21,578,772	(4,653,039)
Net income	18,272	[1]				17,373	899
Transfer of noncontrolling interest	(1,342)						(1,342)
Purchase of additional controlling interest	(1,267)				(1,267)
Noncontrolling interest distributions	(748)						(748)
Nonvested stock compensation	2,879				2,879
Issuance of vested stock, Shares			175,721
Treasury shares redeemed to pay income tax	(794)			(794)
Treasury shares redeemed to pay income tax, shares	37,353			(37,353)
Excess tax benefits - vesting nonvested stock	(38)				(38)
Issuance of common stock under Employee Stock Purchase Plan	570		2		568
Issuance of common stock under Employee Stock Purchase Plan, shares			28,830
Balances at Sep. 30, 2013	$ 289,746		$ 218	$ (34,640)	$ 102,761	$ 218,565	$ 2,842
Balance, shares at Sep. 30, 2013			21,783,323	(4,690,392)

[1] Net income excludes net income attributable to noncontrolling interest-redeemable of $4.2 million during the nine months ending September 30, 2013. Noncontrolling interest-redeemable is reflected outside of permanent equity on the condensed consolidated balance sheets. See Note 9 of the Notes to Condensed Consolidated Financial Statements.