Condensed Consolidated Statements of Income and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenues
Gains from mortgage banking activities	$ 106,881	$ 102,237	$ 205,616	$ 183,746
Servicing fees	53,006	49,317	105,205	97,357
Net warehouse interest income	6,411	2,392	13,432	4,249
Escrow earnings and other interest income	14,616	9,276	28,684	16,624
Other	19,411	14,982	34,825	23,680
Total revenues	200,325	178,204	387,762	325,656
Expenses
Personnel	84,398	71,426	156,029	126,699
Amortization and depreciation	37,381	35,489	75,284	69,124
Provision for credit losses	961	800	3,636	323
Interest expense on corporate debt	3,777	2,343	7,429	4,522
Other operating expenses	16,830	15,176	32,322	28,127
Total expenses	143,347	125,234	274,700	228,795
Income from operations	56,978	52,970	113,062	96,861
Income tax expense	14,832	11,937	26,856	19,121
Net income before noncontrolling interests	42,146	41,033	86,206	77,740
Less: net income (loss) from noncontrolling interests	(50)	(79)	(208)	(233)
Walker and Dunlop net income	42,196	41,112	86,414	77,973
Other comprehensive income (loss), net of tax:
Net change in unrealized gains and losses on pledged available-for-sale securities	666	(53)	967	(180)
Walker and Dunlop comprehensive income	$ 42,862	$ 41,059	$ 87,381	$ 77,793
Basic earnings per share (NOTE 11)	$ 1.36	$ 1.31	$ 2.80	$ 2.49
Diluted earnings per share (NOTE 11)	$ 1.33	$ 1.26	$ 2.72	$ 2.40
Basic weighted average shares outstanding	29,985	30,256	29,834	30,139
Diluted weighted average shares outstanding	30,744	31,495	30,720	31,286