Fair Value Measurements and Derivative Instruments (Available-for-sale Securities Maturities) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Amortized cost
Within 1 year	$ 1,998
After 1 year through 5 years	7,689
After 5 years through 10 years	60,475
After 10 years	151,161
Amortized cost	221,323	$ 247,866
Estimated fair value
Within 1 year	1,823
After 1 year through 5 years	7,213
After 5 years through 10 years	53,284
After 10 years	123,294
Total	$ 185,614	$ 203,842