Fair Value Measurements and Derivative Instruments (Available-for-sale Securities Maturities) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Amortized cost
Within 1 year	$ 2,601
After 1 year through 5 years	15,175
After 5 years through 10 years	72,323
After 10 years	167,199
Amortized cost	257,298	$ 260,145
Estimated fair value
Within 1 year	2,388
After 1 year through 5 years	13,873
After 5 years through 10 years	60,012
After 10 years	133,445
Total	$ 209,718	$ 208,266