CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenues:
Interest income	$ 408,996	$ 349,912	$ 286,734
Other income	13,286	13,738	13,522
Total revenues	422,282	363,650	300,256
Expenses:
Employee costs	65,549	59,556	50,129
General and administrative	24,840	20,160	19,254
Interest	79,941	57,745	50,395
Provision for credit losses	178,511	142,618	108,228
Marketing	17,818	17,470	16,116
Occupancy	5,185	4,082	3,464
Depreciation and amortization	777	637	428
Total operating expenses	372,621	302,268	248,014
Income before income tax expense	49,661	61,382	52,242
Income tax expense	20,361	26,701	22,726
Net income	$ 29,300	$ 34,681	$ 29,516
Earnings per share:
Basic	$ 1.20	$ 1.34	$ 1.18
Diluted	$ 1.01	$ 1.10	$ 0.92
Number of shares used in computing earnings per share:
Basic	24,356,000	25,935,000	25,040,000
Diluted	29,035,000	31,584,000	32,032,000