Condensed Consolidated Statements of Income and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenues
Total revenues	$ 292,304	$ 268,743	$ 791,039	$ 780,104
Expenses
Personnel	145,538	136,507	390,068	388,425
Amortization and depreciation	57,561	57,479	169,495	170,737
Provision (benefit) for credit losses	2,850	421	6,310	(11,088)
Interest expense on corporate debt	18,232	17,594	53,765	49,878
Goodwill impairment		14,000	0	14,000
Fair value adjustments to contingent consideration liabilities	(1,366)	(14,000)	(1,366)	(14,000)
Other operating expenses	31,984	28,529	93,386	83,322
Total expenses	254,799	240,530	711,658	681,274
Income (loss) from operations	37,505	28,213	79,381	98,830
Income tax expense	8,822	7,069	19,588	24,695
Net income (loss) before noncontrolling interests	28,683	21,144	59,793	74,135
Net income (loss) from noncontrolling interests	(119)	(314)	(3,538)	(1,623)
Walker & Dunlop net income (loss)	28,802	21,458	63,331	75,758
Net change in unrealized gains (losses) on pledged available-for-sale securities, net of taxes	1,051	(399)	1,945	(296)
Walker & Dunlop comprehensive income	$ 29,853	$ 21,059	$ 65,276	$ 75,462
Basic earnings per share (NOTE 10)	$ 0.85	$ 0.64	$ 1.87	$ 2.26
Diluted earnings per share (NOTE 10)	$ 0.85	$ 0.64	$ 1.87	$ 2.25
Basic weighted-average shares outstanding	33,169	32,737	33,090	32,654
Diluted weighted-average shares outstanding	33,203	32,895	33,135	32,853
Loan origination and debt brokerage fees, net
Revenues
Total revenues	$ 73,546	$ 56,149	$ 182,620	$ 168,201
Fair value of expected net cash flows from servicing, net
Revenues
Total revenues	43,426	35,375	97,673	107,446
Servicing fees
Revenues
Total revenues	82,222	79,200	242,683	232,027
Property sales broker fees
Revenues
Total revenues	19,322	16,862	39,408	38,831
Investment management fees
Revenues
Total revenues	11,744	13,362	40,086	44,844
Net warehouse interest income (expense)
Revenues
Total revenues	(2,147)	(2,031)	(4,847)	(3,556)
Placement fees and other interest income
Revenues
Total revenues	43,557	43,000	123,999	109,310
Other revenue
Revenues
Total revenues	$ 20,634	$ 26,826	$ 69,417	$ 83,001