Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenues
Gains from mortgage banking activities	$ 367,185	$ 290,466	$ 221,983
Servicing fees	140,924	114,757	98,414
Escrow earnings and other interest income	9,168	4,473	4,526
Other	34,272	34,542	18,355
Total revenues	575,276	468,198	360,772
Expenses
Personnel	227,491	184,590	149,374
Amortization and depreciation	111,427	98,173	80,138
Provision (benefit) for credit losses	(612)	1,644	2,206
Interest expense on corporate debt	9,851	9,918	10,311
Other operating costs	41,338	38,507	34,831
Total expenses	389,495	332,832	276,860
Income from operations	185,781	135,366	83,912
Income tax expense	71,470	52,771	32,490
Net income before noncontrolling interests	114,311	82,595	51,422
Less: net income from noncontrolling interests	414	467
Walker & Dunlop net income	$ 113,897	$ 82,128	$ 51,422
Basic earnings per share	$ 3.87	$ 2.76	$ 1.60
Diluted earnings per share	$ 3.65	$ 2.65	$ 1.58
Basic weighted average shares outstanding	29,432	29,754	32,210
Diluted weighted average shares outstanding	31,172	30,949	32,624
Loans Held for Sale
Revenues
Net warehouse interest income	$ 16,245	$ 14,541	$ 11,343
Loans Held for Investment
Revenues
Net warehouse interest income	$ 7,482	$ 9,419	$ 6,151