Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Treasury Stock	Retained Earnings (Deficit)
Beginning Balance	$ 91,033	$ 121	$ 297,712	$ (2,372)	$ (204,428)
Purchase of treasury shares	(612)	0	0	(612)	0
Stock Issued During Period, Value, New Issues	26,956	12	26,944	0	0
Vesting of share-based compensation	0	3	(3)	0	0
Issuance pursuant to acquisitions	83,522	32	83,490	0	0
Amortization of share-based compensation	4,874	0	4,874	0	0
Net Income (Loss)	$ 86,759	0	0	0	86,759
Purchase of treasury shares (shares)	74,586
Issuance of common stock	1,222,209
Vesting of share-based compensation	336,247
Issuance pursuant to acquisitions	3,210,626
Beginning Balance	$ 292,532	168	413,017	(2,984)	(117,669)
Shares issued from option exercise	426	0	426	0	0
Purchase of treasury shares	(3,397)	0	0	(3,397)	0
Treasury shares pursuant to purchase price adjustment	(1,153)	0	0	(1,153)	0
Vesting of share-based compensation	0	4	(4)	0	0
Issuance pursuant to acquisitions	157,405	55	157,350	0	0
Amortization of share-based compensation	5,329	0	5,329	0	0
Net Income (Loss)	$ 340,437	0	0	0	340,437
Shares issued from stock option exercises	15,584
Purchase of treasury shares (shares)	120,350
Treasury Shares, Shares, Pursuant to Purchase Price Adjustment	41,375
Vesting of share-based compensation	375,745
Issuance pursuant to acquisitions	5,448,961
Beginning Balance	$ 791,579	$ 227	$ 576,118	$ (7,534)	$ 222,768