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Derivative Financial Instruments - Pre-Tax Impact of Terminated Cash Flow Hedge on AOCI (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Mar. 31, 2022
Jun. 30, 2023
Jun. 30, 2022
AOCI Attributable to Parent, Before Tax [Roll Forward]          
Beginning Balance $ 827,216 $ 886,665 $ 858,864 $ 888,971 $ 858,864
Ending Balance 833,466 874,281 886,665 833,466 874,281
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent | Discontinued Cash Flow Hedge          
AOCI Attributable to Parent, Before Tax [Roll Forward]          
Beginning Balance 0 9,083 0 0 0
Unrealized gains arising during the period 0 0 9,316 0 9,316
Reclassification adjustments for amortization of unrealized (gains) into net income 0 (9,083)   0 (9,316)
Ending Balance $ 0 $ 0 $ 9,083 $ 0 $ 0