Other Assets - Notes Receivable (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended	12 Months Ended
Mar. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Receivables
Notes receivable	$ 1,791	$ 1,791	$ 2,265
Allowance for notes receivable	0	0	0
Pier Park Community Development District notes, non-interest bearing, due September 2022
Receivables
Notes receivable	803	803	803
Interest bearing homebuilder note - 5.5% interest rate, due September 2019
Receivables
Notes receivable	416	$ 416	$ 749
Interest rate (as a percent)		5.50%	5.50%
Interest bearing homebuilder note - 5.5% interest rate, due June 2019
Receivables
Notes receivable	337	$ 337	$ 422
Interest rate (as a percent)		5.50%	5.50%
Interest bearing homebuilder note - 6.3% interest rate, due March 2020
Receivables
Notes receivable	135	$ 135	$ 150
Interest rate (as a percent)		6.30%	6.30%
Interest bearing homebuilder note - 6.3% interest rate, due March 2020 \| Maximum
Receivables
Proceeds of principal payment	2,020,000
Various other seller financing maturing December 2022 through November 2023
Receivables
Notes receivable	$ 100	$ 100	$ 141

Interest rate of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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