Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following is a summary of the elements used in calculating basic and diluted earnings per common share:

	Three Months Ended March 31,
	2020		2019
Numerator:
Net income attributable to NGHC	$	100,759	$	91,758
Preferred stock dividends - nonconvertible	(7,875)		(7,875)
Preferred stock dividends - convertible	—		—
Numerator for basic EPS	92,884		83,883
Effect of dilutive securities:
Preferred stock dividends - convertible	—		—
Numerator for diluted EPS - after assumed conversions	$	92,884	$	83,883
Denominator:
Denominator for basic EPS - weighted-average shares outstanding	113,557,441		113,014,711
Effect of dilutive securities:
Employee stock options	1,454,379		1,939,844
RSUs	274,051		331,198
Convertible preferred stock	789,473		789,473
Dilutive potential common shares	2,517,903		3,060,515
Denominator for diluted EPS - weighted-average shares outstanding and assumed conversions	116,075,344		116,075,226
Basic EPS	$	0.82	$	0.74
Diluted EPS	$	0.80	$	0.72