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Comprehensive Income - Components of AOCI (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Accumulated Other Comprehensive Income (AOCI)
Beginning balance	$ 261,084
Other comprehensive income (loss) before reclassification	5,831	$ (13,132)
Amounts reclassified from accumulated other comprehensive income (loss)	935	(424)
Net current period other comprehensive income (loss)	6,766	(13,556)
Ending balance	271,131
Unrealized gains (losses) on available for-sale securities
Accumulated Other Comprehensive Income (AOCI)
Beginning balance	(34,829)	147
Other comprehensive income (loss) before reclassification	5,852	(13,415)
Amounts reclassified from accumulated other comprehensive income (loss)	1,167	(498)
Net current period other comprehensive income (loss)	7,019	(13,913)
Ending balance	(27,810)	(13,766)
Defined benefit pension plan items
Accumulated Other Comprehensive Income (AOCI)
Beginning balance	(3,129)	(4,069)
Other comprehensive income (loss) before reclassification	(21)	283
Amounts reclassified from accumulated other comprehensive income (loss)	22	82
Net current period other comprehensive income (loss)	1	365
Ending balance	(3,128)	(3,704)
Investment hedge
Accumulated Other Comprehensive Income (AOCI)
Beginning balance	254	316
Other comprehensive income (loss) before reclassification	0	0
Amounts reclassified from accumulated other comprehensive income (loss)	(254)	(8)
Net current period other comprehensive income (loss)	(254)	(8)
Ending balance	0	308
Accumulated other comprehensive income (loss)
Accumulated Other Comprehensive Income (AOCI)
Beginning balance	(37,704)	(3,606)
Ending balance	$ (30,938)	$ (17,162)

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Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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