Nature of Operations and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Accounting Policies [Abstract]

Schedule of Cash and Cash Equivalents

Cash and cash equivalents at the end of each period were as follows (in thousands):

	December 31, 2015		December 31, 2014
Cash	$	47,431	$	37,314
Cash equivalents	57,483		7,502
Total cash and cash equivalents	$	104,914	$	44,816

Schedule of Earnings Per Share, Basic and Diluted

The following table illustrates the computation of basic and diluted income per share for the periods indicated (in thousands, except per share data):

	Year Ended December 31,
	2015					2014
	Income (Numerator)		Shares (Denominator)	Per Share Amount		Income (Numerator)			Shares (Denominator)	Per Share Amount
Basic EPS:
Net income available to common stockholders	$	47,241				$	20,360
Less: undistributed earnings to participating securities	—					(127		)
Net income allocated to common stockholders	$	47,241	12,302	$	3.84	$	20,233		12,131	$	1.67
Effect of dilutive securities:
Warrants to purchase common stock	—		21			—			421
Non-vested restricted stock	—		49			—			48
Plus: reallocation of undistributed earnings to participating securities	—					5
Diluted EPS:
Net income allocated to common stockholders plus assumed conversions	$	47,241	12,372	$	3.82	$	20,238		12,600	$	1.61

Available-for-sale Securities

Available-for-sale investments included in cash equivalents at the end of each period were as follows (in thousands):

	December 31, 2015							December 31, 2014
	Adjusted Cost		Gross Unrealized Gains/Losses			Fair Value		Adjusted Cost		Gross Unrealized Gains/Losses		Fair Value
Municipal bonds and notes	$	35,222	$	2		$	35,224	$	—	$	—	$	—
Corporate debt securities	5,029		(5		)	5,024		—		—		—
Financial institution instruments	17,235		—			17,235		7,502		—		7,502
Total available-for-sale investments	$	57,486	$	(3	)	$	57,483	$	7,502	$	—	$	7,502