v3.2.0.727

Earnings per Common Share - Basic Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income	$ 3,496	$ 14,343	$ 44,309	$ 29,648
Income attributable to preferred stock	(99)	(1,703)	(1,263)	(3,966)
Income attributable to common stock subject to repurchase	(1)	(138)	(48)	(324)
Net income allocated to Class A common stockholders	$ 3,396	$ 12,502	$ 42,998	$ 25,358
Weighted-average Class A shares issued and outstanding	51,811	39,394	51,631	38,433
Basic earnings per Class A common share, in usd per share	$ 0.07	$ 0.32	$ 0.83	$ 0.66
Re-allocated earnings	$ 1	$ 26	$ 12	$ 96
Diluted net income allocated to Class A common stockholders	$ 3,397	$ 12,528	$ 43,010	$ 25,454
Diluted weighted-average Class A shares issued and outstanding	52,275	40,052	52,104	39,466
Diluted earnings per Class A common share, in usd per share	$ 0.06	$ 0.31	$ 0.83	$ 0.64
Stock Options [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Dilutive potential common shares	272	515	276	831
Restricted Stock Units (RSUs) [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Dilutive potential common shares	185	138	189	195
Employee Stock Purchase Plan [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Dilutive potential common shares	7	5	8	7
Common Class A [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Weighted-average Class A shares issued and outstanding	51,811	39,394	51,631	38,433
Basic earnings per Class A common share, in usd per share	$ 0.07	$ 0.32	$ 0.83	$ 0.66
Diluted weighted-average Class A shares issued and outstanding	52,275	40,052	52,104	39,466
Diluted earnings per Class A common share, in usd per share	$ 0.06	$ 0.31	$ 0.83	$ 0.64

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