(In thousands)

2021

2020

Short-term investments:

Held-to-maturity debt securities

$

110,801

$

—

Long-term investments:

Cash surrender value of life insurance policies

$

2,659

$

2,536

Investments at cost:

GTE Mobilnet of South Texas Limited Partnership (2.34% interest)

21,450

Pittsburgh SMSA Limited Partnership (3.60% interest)

22,950

CoBank, ACB Stock

7,867

8,882

Other

273

Equity method investments:

GTE Mobilnet of Texas RSA #17 Limited Partnership (20.51% interest)

19,648

20,299

Pennsylvania RSA 6(I) Limited Partnership (16.67% interest)

7,303

7,482

Pennsylvania RSA 6(II) Limited Partnership (23.67% interest)

27,428

27,793

Totals

$

109,578

$

111,665