CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Unaudited) - 6 months ended Jun. 30, 2016 - USD ($) $ in Thousands	Total		Common Stock	Treasury Stock	Additional Paid-In Capital	Retained Earnings	Noncontrolling Interest Non Redeemable
Beginning balance, Amount at Dec. 31, 2015	$ 357,793		$ 222	$ (37,139)	$ 113,793	$ 277,706	$ 3,211
Beginning balance, Shares at Dec. 31, 2015			22,224,423
Beginning balance, Treasury Shares at Dec. 31, 2015	(4,776,560)			(4,776,560)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Acquired noncontrolling interest	$ 627						627
Noncontrolling Interest Distributions	$ (736)						(736)
Stock options exercised, Shares	5,500		5,500
Stock options exercised	$ 109				109
Sale of noncontrolling interest	165				(374)		539
Net income	17,802	[1]				17,150	652
Noncontrolling Interest, Other Increase (Decrease)	136						136
Nonvested stock compensation	2,236				2,236
Issuance of vested stock			$ 2		(2)
Issuance of vested stock, Shares			160,612
Treasury shares redeemed to pay income tax	$ (1,703)			$ (1,703)
Treasury shares redeemed to pay income tax, Shares	(44,564)			(44,564)
Excess tax benefits — vesting nonvested stock	$ 935				935
Issuance of common stock under Employee Stock Purchase Plan	445				445
Issuance of common stock under Employee Stock Purchase Plan, Shares			11,775
Ending balance, Amount at Jun. 30, 2016	$ 377,809		$ 224	$ (38,842)	$ 117,142	$ 294,856	$ 4,429
Ending balance, Shares at Jun. 30, 2016			22,402,310
Ending balance, Treasury Shares at Jun. 30, 2016	(4,821,124)			(4,821,124)

[1] Net income excludes net income attributable to noncontrolling interest-redeemable of $3.8 million during the six months ending June 30, 2016. 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.