Shareholder Report, Holdings (Details)

Jun. 30, 2025

C000005026 [Member] | Microsoft Corp [Member]

Holdings [Line Items]

Percent of Net Asset Value

8.40%

^[1]

C000005026 [Member] | Apple Inc [Member]

Holdings [Line Items]

Percent of Net Asset Value

5.90%

^[1]

C000005026 [Member] | Amazon com Inc [Member]

Holdings [Line Items]

Percent of Net Asset Value

4.70%

^[1]

C000005026 [Member] | JPMorgan Chase And Co [Member]

Holdings [Line Items]

Percent of Net Asset Value

4.10%

^[1]

C000005026 [Member] | NVIDIA Corp [Member]

Holdings [Line Items]

Percent of Net Asset Value

9.90%

^[1]

C000005026 [Member] | Alphabet Inc Cl A [Member]

Holdings [Line Items]

Percent of Net Asset Value

3.70%

^[1]

C000005026 [Member] | Costco Wholesale Corp [Member]

Holdings [Line Items]

Percent of Net Asset Value

3.10%

^[1]

C000005026 [Member] | Intuit Inc [Member]

Holdings [Line Items]

Percent of Net Asset Value

3.10%

^[1]

C000005026 [Member] | The Goldman Sachs Group Inc [Member]

Holdings [Line Items]

Percent of Net Asset Value

2.70%

^[1]

C000005026 [Member] | Boston Scientific Corp [Member]

Holdings [Line Items]

Percent of Net Asset Value

2.30%

^[1]

C000005026 [Member] | Consumer Discretionary Sector [Member]

Holdings [Line Items]

Percent of Net Asset Value

4.80%

C000005026 [Member] | Consumer Staples Sector [Member]

Holdings [Line Items]

Percent of Net Asset Value

6.90%

C000005026 [Member] | Industrial Sector [Member]

Holdings [Line Items]

Percent of Net Asset Value

13.80%

C000005026 [Member] | Information Technology Sector [Member]

Holdings [Line Items]

Percent of Net Asset Value

35.50%

C000005026 [Member] | Healthcare Sector [Member]

Holdings [Line Items]

Percent of Net Asset Value

11.60%

C000005026 [Member] | Communications Sector [Member]

Holdings [Line Items]

Percent of Net Asset Value

3.70%

C000005026 [Member] | Financial Services Sector [Member]

Holdings [Line Items]

Percent of Net Asset Value

16.40%

C000005026 [Member] | Materials Sector [Member]

Holdings [Line Items]

Percent of Net Asset Value

3.00%

C000005026 [Member] | Utilities Sector [Member]

Holdings [Line Items]

Percent of Net Asset Value

3.50%

C000005026 [Member] | Net Other Assets and Liabilities [Member]

Holdings [Line Items]

Percent of Net Asset Value

(0.10%)

C000005026 [Member] | Investment Companies [Member]

Holdings [Line Items]

Percent of Net Asset Value

0.90%

C000005027 [Member] | Microsoft Corp [Member]

Holdings [Line Items]

Percent of Net Asset Value

8.40%

^[2]

C000005027 [Member] | Apple Inc [Member]

Holdings [Line Items]

Percent of Net Asset Value

5.90%

^[2]

C000005027 [Member] | Amazon com Inc [Member]

Holdings [Line Items]

Percent of Net Asset Value

4.70%

^[2]

C000005027 [Member] | JPMorgan Chase And Co [Member]

Holdings [Line Items]

Percent of Net Asset Value

4.10%

^[2]

C000005027 [Member] | NVIDIA Corp [Member]

Holdings [Line Items]

Percent of Net Asset Value

9.90%

^[2]

C000005027 [Member] | Alphabet Inc Cl A [Member]

Holdings [Line Items]

Percent of Net Asset Value

3.70%

^[2]

C000005027 [Member] | Costco Wholesale Corp [Member]

Holdings [Line Items]

Percent of Net Asset Value

3.10%

^[2]

C000005027 [Member] | Intuit Inc [Member]

Holdings [Line Items]

Percent of Net Asset Value

3.10%

^[2]

C000005027 [Member] | The Goldman Sachs Group Inc [Member]

Holdings [Line Items]

Percent of Net Asset Value

2.70%

^[2]

C000005027 [Member] | Boston Scientific Corp [Member]

Holdings [Line Items]

Percent of Net Asset Value

2.30%

^[2]

C000005027 [Member] | Consumer Discretionary Sector [Member]

Holdings [Line Items]

Percent of Net Asset Value

4.80%

C000005027 [Member] | Consumer Staples Sector [Member]

Holdings [Line Items]

Percent of Net Asset Value

6.90%

C000005027 [Member] | Industrial Sector [Member]

Holdings [Line Items]

Percent of Net Asset Value

13.80%

C000005027 [Member] | Information Technology Sector [Member]

Holdings [Line Items]

Percent of Net Asset Value

35.50%

C000005027 [Member] | Healthcare Sector [Member]

Holdings [Line Items]

Percent of Net Asset Value

11.60%

C000005027 [Member] | Communications Sector [Member]

Holdings [Line Items]

Percent of Net Asset Value

3.70%

C000005027 [Member] | Financial Services Sector [Member]

Holdings [Line Items]

Percent of Net Asset Value

16.40%

C000005027 [Member] | Materials Sector [Member]

Holdings [Line Items]

Percent of Net Asset Value

3.00%

C000005027 [Member] | Utilities Sector [Member]

Holdings [Line Items]

Percent of Net Asset Value

3.50%

C000005027 [Member] | Net Other Assets and Liabilities [Member]

Holdings [Line Items]

Percent of Net Asset Value

(0.10%)

C000005027 [Member] | Investment Companies [Member]

Holdings [Line Items]

Percent of Net Asset Value

0.90%

[1]	Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any.
[2]	Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any.