Stockholders' Equity (Changes in Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Unrealized gains (losses) on investment securities available for sale:
Net unrealized holding gain (loss) arising during the period, Before Tax	$ (141,227)	$ 674,115	$ 72,789
Amounts reclassified to gain on investment securities available for sale, net, Before Tax	1,815	3,927	9,010
Net change in unrealized gains on securities available for sale, Before Tax	139,412	(678,042)	(81,799)
Net unrealized holding gain (loss) arising during the period, Tax Effect	36,719	(175,251)	(18,561)
Amounts reclassified to gain on investment securities available for sale, net, Tax Effect	472	1,021	2,298
Net change in unrealized gains on securities available for sale, Tax Effect	(36,247)	176,272	20,859
Net unrealized holding gain (loss) arising during the period, Net of Tax	104,508	(498,864)	(54,228)
Amounts reclassified to gain on investment securities available for sale, net, Net of Tax	(1,343)	(2,906)	(6,712)
Net change in unrealized gains (losses) on securities available for sale	103,165	(501,770)	(60,940)
Unrealized losses on derivative instruments:
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax	35,089	107,764	29,808
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax	(30,650)	107,674	126,380
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax	(9,123)	(27,893)	(7,601)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax	(7,969)	27,869	32,228
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	25,966	79,871	22,207
Reclassification adjustment for net (gains) losses realized in income	48,647	66	(38,545)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	(22,681)	79,805	94,152
Other comprehensive income (loss), Before Tax	108,762	(570,368)	44,581
Other comprehensive income (loss), Tax Effect	(28,278)	148,403	(11,369)
Other comprehensive income (loss)	80,484	(421,965)	33,212
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net unrealized holding gain (loss) arising during the period, Before Tax	141,227	(674,115)	(72,789)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax	1,815	3,927	9,010
Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, before Tax	139,412	(678,042)	(81,799)
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, Tax	36,719	(175,251)	(18,561)
Amounts reclassified to gain on investment securities available for sale, net, Tax Effect	472	1,021	2,298
Other Comprehensive Income (Loss), Securities, Available-for-sale, Tax	36,247	(176,272)	(20,859)
Net unrealized holding gain (loss) arising during the period	104,508	(498,864)	(54,228)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	1,343	2,906	6,712
Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, after Tax	103,165	(501,770)	(60,940)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax	35,089	107,764	29,808
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax	9,123	27,893	7,601
Net unrealized holding gains arising during the period	25,966	79,871	22,207
Reclassification adjustment for net (gains) losses realized in income	48,647	66	(38,545)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax	(30,650)	107,674	126,380
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax	(7,969)	27,869	32,228
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	(22,681)	79,805	94,152
Other Comprehensive Income (Loss), before Tax	108,762	(570,368)	44,581
Other Comprehensive Income (Loss), Tax	28,278	(148,403)	11,369
Other Comprehensive Income (Loss), Net of Tax	80,484	(421,965)	33,212
Interest expense on deposits
Unrealized losses on derivative instruments:
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax	23,569	4,357
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	6,128	1,133
Reclassification adjustment for net (gains) losses realized in income	17,441	3,224
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax	23,569	4,357
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	6,128	1,133
Reclassification adjustment for net (gains) losses realized in income	17,441	3,224
Interest expense on borrowings
Unrealized losses on derivative instruments:
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax	44,790	(4,224)	(51,739)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	11,645	(1,098)	(13,194)
Reclassification adjustment for net (gains) losses realized in income	33,145	(3,126)	(38,545)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax	44,790	(4,224)	(51,739)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	11,645	(1,098)	(13,194)
Reclassification adjustment for net (gains) losses realized in income	33,145	(3,126)	(38,545)
Interest income on loans
Unrealized losses on derivative instruments:
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax	(2,620)	(43)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	(681)	(11)
Reclassification adjustment for net (gains) losses realized in income	(1,939)	(32)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax	(2,620)	(43)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	(681)	(11)
Reclassification adjustment for net (gains) losses realized in income	(1,939)	(32)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Unrealized losses on derivative instruments:
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax			(44,833)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax			(11,433)
Reclassification adjustment for net (gains) losses realized in income			(33,400)
Other comprehensive income (loss)	(22,681)	79,805	94,152
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax			(44,833)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax			(11,433)
Reclassification adjustment for net (gains) losses realized in income			(33,400)
Other Comprehensive Income (Loss), Net of Tax	$ (22,681)	$ 79,805	$ 94,152