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	12,669	[1]				12,076	593
Transfer of noncontrolling interest	(1,342)						(1,342)
Purchase of additional controlling interest	(1,006)				(1,006)
Noncontrolling interest distributions	(439)						(439)
Nonvested stock compensation	1,895				1,895
Issuance of vested stock, Shares			165,095
Treasury shares surrendered to pay income tax	(755)			(755)
Treasury shares surrendered to pay income tax, shares	35,654			(35,654)
Excess tax benefits - vesting nonvested stock	(34)				(34)
Issuance of common stock under Employee Stock Purchase Plan	392		1		391
Issuance of common stock under Employee Stock Purchase Plan, shares			19,230
Balances at Jun. 30, 2013	$ 283,594		$ 217	$ (34,601)	$ 101,865	$ 213,268	$ 2,845
Balance, shares at Jun. 30, 2013			21,763,097	(4,688,693)

[1] Net income excludes net income attributable to noncontrolling interest-redeemable of $3.0 million during the six months ending June 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.