Fair Value Measurements and Derivative Instruments (Reconciliation) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Amortized cost
Within 1 year	$ 2,594
After 1 year through 5 years	15,103
After 5 years through 10 years	70,702
After 10 years	159,467
Amortized cost	247,866	$ 260,145
Estimated fair value
Within 1 year	2,382
After 1 year through 5 years	14,029
After 5 years through 10 years	60,099
After 10 years	127,332
Total	$ 203,842	$ 208,266