v3.25.2
Shareholder Report, Average Annual Return (Details)
 6 Months Ended 12 Months Ended 60 Months Ended 120 Months Ended
Jun. 30, 2025
Jun. 30, 2025
Jun. 30, 2025
Jun. 30, 2025
C000009527 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Opportunity Fund (Class A) — With sales charge      
Average Annual Return, Percent [1]   9.13% 13.90% 10.34%
C000009529 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Opportunity Fund (Class C) — With CDSC      
Average Annual Return, Percent [2],[3]   12.74% 14.08% 10.17%
C000009530 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Opportunity Fund (Class Y)      
Average Annual Return, Percent   14.88% 15.29% 11.14%
C000009531 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Government Bond Fund (Class A) — With sales charge      
Average Annual Return, Percent [4]   (0.15%) (0.31%) 0.37%
C000009533 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Government Bond Fund (Class C) — With CDSC      
Average Annual Return, Percent [5],[6]   3.05% (0.05%) 0.25%
C000009534 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Government Bond Fund (Class Y)      
Average Annual Return, Percent   5.08% 0.93% 1.12%
C000009539 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Financial Fund (Class A) — With sales charge      
Average Annual Return, Percent [7]   26.77% 20.40% 10.65%
C000009541 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Financial Fund (Class C) — With CDSC      
Average Annual Return, Percent [8],[9]   31.00% 20.60% 10.48%
C000009542 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Financial Fund (Class Y)      
Average Annual Return, Percent   33.38% 21.84% 11.44%
C000009543 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Balanced Fund (Class A) — With sales charge      
Average Annual Return, Percent [10]   9.32% 13.53% 7.52%
C000009545 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Balanced Fund (Class C) — With CDSC      
Average Annual Return, Percent [11],[12]   12.88% 13.76% 7.37%
C000009546 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Balanced Fund (Class Y)      
Average Annual Return, Percent   15.12% 14.99% 8.37%
C000009547 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Real Estate Fund (Class A) — With sales charge      
Average Annual Return, Percent [13]   (0.39%) 5.09% 4.78%
C000009549 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Real Estate Fund (Class C) — With CDSC      
Average Annual Return, Percent [14],[15]   2.77% 5.28% 4.59%
C000009550 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Real Estate Fund (Class Y)      
Average Annual Return, Percent   4.85% 6.38% 5.53%
Without Sales Load [Member] | C000009527 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Opportunity Fund (Class A) — Without sales charge      
Average Annual Return, Percent   14.57% 15.01% 10.87%
Without Sales Load [Member] | C000009529 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Opportunity Fund (Class C) — Without CDSC      
Average Annual Return, Percent [2]   13.66% 14.08% 10.17%
Without Sales Load [Member] | C000009531 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Government Bond Fund (Class A) — Without sales charge      
Average Annual Return, Percent   4.83% 0.67% 0.86%
Without Sales Load [Member] | C000009533 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Government Bond Fund (Class C) — Without CDSC      
Average Annual Return, Percent [5]   4.05% (0.05%) 0.25%
Without Sales Load [Member] | C000009539 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Financial Fund (Class A) — Without sales charge      
Average Annual Return, Percent   33.09% 21.56% 11.18%
Without Sales Load [Member] | C000009541 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Financial Fund (Class C) — Without CDSC      
Average Annual Return, Percent [8]   32.00% 20.60% 10.48%
Without Sales Load [Member] | C000009543 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Balanced Fund (Class A) — Without sales charge      
Average Annual Return, Percent   14.78% 14.63% 8.04%
Without Sales Load [Member] | C000009545 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Balanced Fund (Class C) — Without CDSC      
Average Annual Return, Percent [11]   13.88% 13.76% 7.37%
Without Sales Load [Member] | C000009547 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Real Estate Fund (Class A) — Without sales charge      
Average Annual Return, Percent   4.58% 6.12% 5.29%
Without Sales Load [Member] | C000009549 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis Real Estate Fund (Class C) — Without CDSC      
Average Annual Return, Percent [14]   3.77% 5.28% 4.59%
Standard & Poor's 500 Index [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name S&P 500 Index      
Average Annual Return, Percent   15.16% 16.63% 13.63%
Bloomberg U S Aggregate Bond Index [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Bloomberg U.S. Aggregate Bond Index      
Average Annual Return, Percent   6.08% (0.73%) 1.76%
S And P 1500 Index [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name S&P 1500 Index      
Average Annual Return, Percent   14.48% 16.34% 13.22%
Bloomberg U S Government 1 3 Year Bond Index [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Bloomberg U.S. Government 1-3 Year Bond Index      
Average Annual Return, Percent   5.72% 1.34% 1.60%
S And P 500 Financials Index [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name S&P 500 Financials Index      
Average Annual Return, Percent   29.45% 19.97% 12.45%
Wilshire U S Real Estate Securities Index [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Wilshire U.S. Real Estate Securities Index      
Average Annual Return, Percent   11.25% 9.14% 6.64%
Bloomberg U S Aggregate Bond S000003446 Index [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Bloomberg U.S. Aggregate Bond Index      
Average Annual Return, Percent   6.08% (0.73%) 1.76%
[1] Reflects 4.75% front-end sales charge.
[2] Because Class C shares automatically convert to Class A shares after 8 years, the “10-Year” returns for Class C reflect Class A performance for the period after conversion.
[3] Includes any applicable contingent deferred sales charge (“CDSC”).
[4] Reflects 4.75% front-end sales charge.
[5] Because Class C shares automatically convert to Class A shares after 8 years, the “10-Year” returns for Class C reflect Class A performance for the period after conversion.
[6] Includes any applicable contingent deferred sales charge (“CDSC”).
[7] Reflects 4.75% front-end sales charge.
[8] Because Class C shares automatically convert to Class A shares after 8 years, the “10-Year” returns for Class C reflect Class A performance for the period after conversion.
[9] Includes any applicable contingent deferred sales charge (“CDSC”).
[10] Reflects 4.75% front-end sales charge.
[11] Because Class C shares automatically convert to Class A shares after 8 years, the “10-Year” returns for Class C reflect Class A performance for the period after conversion.
[12] Includes any applicable contingent deferred sales charge (“CDSC”).
[13] Reflects 4.75% front-end sales charge.
[14] Because Class C shares automatically convert to Class A shares after 8 years, the “10-Year” returns for Class C reflect Class A performance for the period after conversion.
[15] Includes any applicable contingent deferred sales charge (“CDSC”).