Condensed Consolidated Statements of Income and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenues
Gains from mortgage banking activities	$ 102,237	$ 102,176	$ 183,746	$ 198,608
Servicing fees	49,317	43,214	97,357	84,739
Net warehouse interest income	2,392	5,800	4,249	12,420
Escrow earnings and other interest income	9,276	4,514	16,624	7,806
Other	14,982	10,703	23,680	21,346
Total revenues	178,204	166,407	325,656	324,919
Expenses
Personnel	71,426	63,516	126,699	119,688
Amortization and depreciation	35,489	32,860	69,124	65,198
Provision (benefit) for credit losses	800	(93)	323	(225)
Interest expense on corporate debt	2,343	2,443	4,522	4,846
Other operating expenses	15,176	11,599	28,127	23,207
Total expenses	125,234	110,325	228,795	212,714
Income from operations	52,970	56,082	96,861	112,205
Income tax expense	11,937	21,570	19,121	34,633
Net income before noncontrolling interests	41,033	34,512	77,740	77,572
Less: net income (loss) from noncontrolling interests	(79)	(55)	(233)	(216)
Walker and Dunlop net income	41,112	34,567	77,973	77,788
Other comprehensive income (loss), net of tax:
Net change in unrealized gains and losses on pledged available-for-sale securities	(53)	8	(180)	8
Walker and Dunlop comprehensive income	$ 41,059	$ 34,575	$ 77,793	$ 77,796
Basic earnings per share	$ 1.36	$ 1.15	$ 2.59	$ 2.60
Diluted earnings per share	1.28	$ 1.08	2.44	$ 2.43
Cash dividends declared per common share	$ 0.25		$ 0.50
Basic weighted average shares outstanding	30,248	30,131	30,116	29,971
Diluted weighted average shares outstanding	32,154	32,097	32,009	32,067