Consolidated Statements of Income and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues
Total revenues	$ 340,848	$ 281,411	$ 660,292	$ 505,699
Expenses
Personnel	168,368	141,421	312,549	237,636
Amortization and depreciation	61,103	48,510	117,255	95,381
Provision (benefit) for credit losses	(4,840)	(4,326)	(14,338)	(15,646)
Interest expense on corporate debt	6,412	1,760	12,817	3,525
Other operating expenses	36,195	19,748	68,409	37,335
Total expenses	267,238	207,113	496,692	358,231
Income from operations	73,610	74,298	163,600	147,468
Income tax expense	19,503	18,240	38,963	33,358
Net income before noncontrolling interests	54,107	56,058	124,637	114,110
Less: net income (loss) from noncontrolling interests	(179)		(858)
Walker and Dunlop net income	54,286	56,058	125,495	114,110
Net change in unrealized gains (losses) on pledged available-for-sale securities, net of taxes	(1,810)	768	(2,780)	610
Walker and Dunlop comprehensive income	$ 52,476	$ 56,826	$ 122,715	$ 114,720
Basic earnings per share (NOTE 10)	$ 1.63	$ 1.75	$ 3.77	$ 3.57
Diluted earnings per share (NOTE 10)	$ 1.61	$ 1.73	$ 3.73	$ 3.52
Basic weighted average shares outstanding	32,388	31,019	32,304	30,922
Diluted weighted average shares outstanding	32,694	31,370	32,657	31,322
Loan origination and debt brokerage fees, Net
Revenues
Total revenues	$ 102,605	$ 107,472	$ 184,915	$ 183,351
Fair value of expected net cash flows from servicing, net
Revenues
Total revenues	51,949	61,849	104,679	119,784
Servicing fees
Revenues
Total revenues	74,260	69,052	146,941	135,030
Property sales broker fees
Revenues
Total revenues	46,386	22,454	69,784	31,496
Investment management fees
Revenues
Total revenues	10,282	3,815	22,930	6,551
Net warehouse interest income
Revenues
Total revenues	5,268	4,630	10,041	9,185
Escrow earnings and other interest income
Revenues
Total revenues	6,751	1,823	8,554	3,940
Other revenue
Revenues
Total revenues	$ 43,347	$ 10,316	$ 112,448	$ 16,362