CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Unaudited) - 3 months ended Mar. 31, 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	$ 372						372
Noncontrolling Interest Distributions	(369)						(369)
Net income	8,012	[1]				7,686	326
Noncontrolling Interest, Other Increase (Decrease)	136						136
Nonvested stock compensation	982				982
Issuance of vested stock			140,620
Treasury shares redeemed to pay income tax	$ (1,421)			$ (1,421)
Treasury shares redeemed to pay income tax, Shares	(37,962)			(37,962)
Excess tax benefits — vesting nonvested stock	$ 651				651
Issuance of common stock under Employee Stock Purchase Plan	$ 230		$ 2		228
Issuance of common stock under Employee Stock Purchase Plan, Shares	5,341		5,341
Ending balance, Amount at Mar. 31, 2016	$ 366,386		$ 224	$ (38,560)	$ 115,654	$ 285,392	$ 3,676
Ending balance, Shares at Mar. 31, 2016			22,370,384
Ending balance, Treasury Shares at Mar. 31, 2016	(4,814,522)			(4,814,522)

[1] Net income excludes net income attributable to noncontrolling interest-redeemable of $1.9 million during the three months ending March 31, 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.