Commitments and Contingencies - Low-Income Housing Commitments (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Commitments and Contingencies Disclosure [Abstract]
2020	$ 28,714
2021	22,252
2022	11,783
2023	4,795
2024	7,389
Thereafter	$ 232,696

Purchase Commitments Under Low Income Housing Program Due in Second Year

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Purchase Commitments Under Low Income Housing Program Due in Third Year

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Purchase Commitments Under Low Income Housing Program Due Within One Year

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Purchase Commitments Under Low Income Housing Program Due in Fifth Year

No definition available.

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Purchase Commitments Under Low Income Housing Program Due in Fourth Year

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Purchase Commitments Under Low Income Housing Program Thereafter

No definition available.

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