Selected Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Schedule of Selected Quarterly Financial Data

This unaudited quarterly data should be read together with the accompanying consolidated financial statements and related notes thereto (in thousands, except per share amounts):

	For the Year Ended December 31, 2017
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Operating data:
Total revenues	$	30,608	$	32,829	$	32,948	$	36,597
Net income	10,281		2,030		11,311		2,252
Earnings per common share, basic	0.15		0.03		0.15		0.03
Earnings per common share, diluted	0.15		0.03		0.15		0.03
Other data:
Weighted-average number of common shares outstanding, basic	66,951		72,564		75,471		75,476
Weighted-average number of common shares outstanding, diluted	66,951		72,564		75,471		75,476
	For the Year Ended December 31, 2016
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Operating data:
Total revenues	$	23,629	$	25,701	$	27,106	$	28,243
Net income	5,502		7,631		7,832		8,388
Earnings per common share, basic	0.11		0.13		0.13		0.14
Earnings per common share, diluted	0.11		0.13		0.13		0.14
Other data:
Weighted-average number of common shares outstanding, basic	48,101		57,478		57,595		60,875
Weighted-average number of common shares outstanding, diluted	48,101		57,478		57,595		60,875