Summary Of Quarterly Results (Unaudited)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Data [Abstract]

Summary of Quarterly Results (Unaudited)

SUMMARY OF QUARTERLY RESULTS (UNAUDITED)

						Net Income Per Common Share(1)
	(Amounts in thousands, except per share amounts)	Revenues		Net Income		Basic		Diluted
	2017
	December 31	$	58,061	$	17,883	$	3.50	$	3.50
	September 30	58,094		20,299		3.97		3.97
	June 30	57,190		20,660		4.04		4.04
	March 31	57,229		21,667		4.24		4.24
	2016
	December 31	$	57,253	$	21,655	$	4.23	$	4.23
	September 30	57,120		21,036		4.11		4.11
	June 30	57,005		21,767		4.26		4.26
	March 31	55,558		22,019		4.31		4.31
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(1)	The total for the year may differ from the sum of the quarters as a result of weighting.