Unaudited Selected Quarterly Financial Data

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Unaudited Selected Quarterly Financial Data

Selected quarterly financial data is presented below.

($ in thousands, except per share data)	Three Months Ended
	December 31,		September 30,		June 30,		March 31,
2017
Insurance premiums written and contract deposits (1)	$	300,416	$	318,355	$	311,614	$	296,732
Total revenues	302,993		289,817		291,436		287,304
Net income	125,329		26,551		2,261		15,318
Per share information
Basic
Net income (3)	$	3.03	$	0.64	$	0.05	$	0.37
Shares of common stock - weighted average (2)	41,419		41,433		41,368		41,135
Diluted
Net income (3)	$	3.00	$	0.64	$	0.05	$	0.37
Shares of common stock and equivalent shares - weighted average (2)	41,718		41,575		41,493		41,342
2016
Insurance premiums written and contract deposits (1)	$	315,917	$	351,534	$	311,879	$	283,169
Total revenues	282,873		291,176		283,558		271,303
Net income	19,823		26,923		11,866		25,153
Per share information
Basic
Net income	$	0.48	$	0.66	$	0.29	$	0.61
Shares of common stock - weighted average (2)	41,093		41,092		41,082		41,297
Diluted
Net income	$	0.48	$	0.65	$	0.29	$	0.61
Shares of common stock and equivalent shares - weighted average (2)	41,482		41,347		41,314		41,492
2015
Insurance premiums written and contract deposits (1)	$	305,186	$	326,198	$	319,394	$	305,735
Total revenues	276,106		265,753		268,470		270,119
Net income	21,040		21,984		16,183		34,275
Per share information
Basic
Net income	$	0.51	$	0.53	$	0.39	$	0.82
Shares of common stock - weighted average (2)	41,564		41,852		41,990		41,950
Diluted
Net income	$	0.50	$	0.52	$	0.38	$	0.81
Shares of common stock and equivalent shares - weighted average (2)	42,127		42,305		42,425		42,300

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(1) This measure is not based on accounting principles generally accepted in the U.S. (non-GAAP). An explanation of this measure is contained in the Glossary of Selected Terms included as an exhibit in the Company's reports filed with the SEC.

(2) Rounded to thousands.

(3)

For the three months ended December 31, 2017, net income per basic share of $3.03 and net income per diluted share of $3.00 benefited $2.39 and $2.37, respectively, from the Tax Act.