|
Institutional
Class |
Investor
Class |
Management
Fees |
|
|
Distribution
and Service (12b-1) Fees |
|
|
Total
Other Expenses |
|
|
Shareholder
Services Fees |
|
|
Other
Expenses |
|
|
Total
Annual Fund Operating Expenses |
|
|
Fee
Waiver and Expense Reimbursement1
|
|
|
Total
Annual Fund Operating Expenses After Fee Waiver and Expense
Reimbursement |
|
|
|
1
Year |
3
Years |
5
Years |
10
Years |
Institutional
Class |
$ |
$ |
$ |
$ |
Investor
Class |
$ |
$ |
$ |
$ |
|
|
|
|
|
|
|
|
|
|
One
Year |
Five
Years |
Ten
Years |
Since
Inception |
Inception
Date |
Institutional
Class |
- |
|
|
|
|
Investor
Class |
- |
|
|
|
|
Bloomberg
1-3 Year Credit Bond Index (reflects no
deduction
for fees, expenses or taxes) |
- |
|
|
|
|
Name |
Title |
Portfolio
Manager of Fund
Since |
Jack
Brown, CFA |
Chief
Investment Officer |
2016 |
Maria
Mendelsberg, CFA |
Portfolio
Manager |
2020 |
|
|
Income
(Loss) from Investment Operations:
|
Less
Distributions:
|
|
| |||||
|
Net
asset value,
beginning
of year
|
Net
investment
income(a)
|
Net
realized
and
unrealized
gain
(loss)
|
Total
from
investment
operations
|
From
return
of
capital
|
From
net
investment
income
|
From
net
realized
gains
|
Total
Distributions
|
Net
asset value,
end
of year
|
Total
Return(b)(c)
|
Investor
Class
|
|
|
|
|
|
|
|
|
|
|
12/31/2022
|
$10.57
|
0.19
|
(0.64)
|
(0.45)
|
—
|
(0.15)
|
—
|
(0.15)
|
$9.97
|
(4.25%)
|
12/31/2021
|
$10.77
|
0.11
|
(0.11)
|
0.00
|
(0.00)
(d)
|
(0.11)
|
(0.09)
|
(0.20)
|
$10.57
|
(0.03%)
|
12/31/2020
|
$10.52
|
0.18
|
0.30
|
0.48
|
—
|
(0.20)
|
(0.03)
|
(0.23)
|
$10.77
|
4.63%
|
12/31/2019
|
$10.19
|
0.27
|
0.28
|
0.55
|
(0.00)
(d)
|
(0.22)
|
—
|
(0.22)
|
$10.52
|
5.40%
|
12/31/2018
|
$10.32
|
0.25
|
(0.19)
|
0.06
|
(0.00)
(d)
|
(0.19)
|
—
|
(0.19)
|
$10.19
|
0.63%
|
Institutional
Class
|
|
|
|
|
|
|
|
|
|
|
12/31/2022
|
$9.88
|
0.20
|
(0.59)
|
(0.39)
|
—
|
(0.20)
|
—
|
(0.20)
|
$9.29
|
(3.95%)
|
12/31/2021
|
$10.11
|
0.14
|
(0.10)
|
0.04
|
(0.00)
(d)
|
(0.18)
|
(0.09)
|
(0.27)
|
$9.88
|
0.34%
|
12/31/2020
|
$9.94
|
0.21
|
0.27
|
0.48
|
—
|
(0.28)
|
(0.03)
|
(0.31)
|
$10.11
|
4.99%
|
12/31/2019
|
$9.67
|
0.29
|
0.27
|
0.56
|
(0.00)
(d)
|
(0.29)
|
—
|
(0.29)
|
$9.94
|
5.83%
|
12/31/2018
|
$9.86
|
0.28
|
(0.19)
|
0.09
|
(0.00)
(d)
|
(0.28)
|
—
|
(0.28)
|
$9.67
|
0.94% |
|
Net
assets,
end
of year
(000)
|
Ratio
of expenses
to
average net assets
(before
reimbursement
and/or
waiver, if applicable)
|
Ratio
of expenses
to
average net assets
(after
reimbursement
and/or
waiver, if applicable)
|
|
Ratio
of net investment income
to
average net assets
(after
reimbursement
and/or
waiver, if applicable)
|
Portfolio
turnover
rate(e)
|
Investor
Class
|
|
|
|
|
|
|
12/31/2022
|
$63,874
|
0.68%
|
0.60%
|
|
1.84%
|
76%
|
12/31/2021
|
$58,567
|
0.66%
|
0.60%
|
|
1.06%
|
123%
|
12/31/2020
|
$48,834
|
0.67%
|
0.60%
|
|
1.73%
|
119%
|
12/31/2019
|
$47,582
|
0.67%
|
0.60%
|
|
2.58%
|
136%
|
12/31/2018
|
$44,228
|
0.67%
|
0.60%
|
|
2.49%
|
172%
|
Institutional
Class
|
|
|
|
|
|
|
12/31/2022
|
$271,140
|
0.28%
|
0.25%
|
|
2.12%
|
76%
|
12/31/2021
|
$317,200
|
0.26%
|
0.25%
|
|
1.43%
|
123%
|
12/31/2020
|
$278,385
|
0.26%
|
0.25%
|
|
2.06%
|
119%
|
12/31/2019
|
$220,267
|
0.27%
|
0.25%
|
|
2.93%
|
136%
|
12/31/2018
|
$175,072
|
0.27%
|
0.25%
|
|
2.84%
|
172% |
(a)
|
Per
share amounts are based upon average shares outstanding.
|
(b)
|
Total
return does not include any fees or expenses of variable insurance
contracts, if applicable. If such fees or expenses were included, the
return shown
would
have been lower.
|
(c)
|
Total
return shown net of expenses reimbursed and/or waived, if applicable.
Without the expense reimbursement and/or waiver, the return shown would
have
been
lower.
|
(d)
|
Amount
was less than $0.01 per share.
|
(e)
|
Portfolio
turnover is calculated at the Fund
level. |