CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Unaudited) - 3 months ended Mar. 31, 2017 - USD ($) $ in Thousands	Total		Common Stock	Treasury Stock	Additional Paid-In Capital	Retained Earnings	Noncontrolling Interest Non Redeemable
Beginning balance, Amount at Dec. 31, 2016	$ 401,552		$ 224	$ (39,135)	$ 119,748	$ 314,289	$ 6,426
Beginning balance, Shares at Dec. 31, 2016			22,429,041
Beginning balance, Treasury Shares at Dec. 31, 2016	(4,828,679)			(4,828,679)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 9,528	[1]				9,467	61
Acquired noncontrolling interest	9,398						9,398
Sale of noncontrolling interest	431				(446)		877
Noncontrolling interest distributions	(414)						(414)
Nonvested stock compensation	1,581				1,581
Issuance of vested stock			$ 2		(2)
Issuance of vested stock, Shares			170,042
Treasury shares redeemed to pay income tax	$ (2,569)			$ (2,569)
Treasury shares redeemed to pay income tax, Shares	(52,944)			(52,944)
Issuance of common stock under Employee Stock Purchase Plan	$ 256				256
Issuance of common stock under Employee Stock Purchase Plan, Shares	5,891		5,891
Ending balance, Amount at Mar. 31, 2017	$ 419,763		$ 226	$ (41,704)	$ 121,137	$ 323,756	$ 16,348
Ending balance, Shares at Mar. 31, 2017			22,604,974
Ending balance, Treasury Shares at Mar. 31, 2017	(4,881,623)			(4,881,623)

[1] Net income excludes net income attributable to noncontrolling interest-redeemable of $2.4 million during the three months ending March 31, 2017. Noncontrolling interest-redeemable is reflected outside of permanent equity on the condensed consolidated balance sheets. See Note 8 of the Notes to Condensed Consolidated Financial Statements.