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CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands | Total | Series D Preferred Stock | Series E Preferred Stock | Series F Preferred Stock | Total Stockholders’ Equity | Total Stockholders’ Equity Series D Preferred Stock | Total Stockholders’ Equity Series E Preferred Stock | Total Stockholders’ Equity Series F Preferred Stock | Preferred Stock Series D Preferred Stock | Preferred Stock Series E Preferred Stock | Preferred Stock Series F Preferred Stock | Common Stock | Capital in Excess of Par Value | Capital in Excess of Par Value Series D Preferred Stock | Capital in Excess of Par Value Series F Preferred Stock | Retained Earnings (Loss) | Retained Earnings (Loss) Series D Preferred Stock | Retained Earnings (Loss) Series E Preferred Stock | Retained Earnings (Loss) Series F Preferred Stock | Accumulated Other Comprehensive Income (Loss) | Noncontrolling Interests
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2014 | $ 3,083,092 |  |  |  | $ 3,082,515 |  |  |  | $ 287,500 | $ 287,500 |  | $ 1,322 | $ 2,711,678 |  |  | $ (196,827) |  |  |  | $ (8,658) | $ 577
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net earnings | 197,961 |  |  |  | 197,836 |  |  |  |  |  |  |  |  |  |  | 197,836 |  |  |  |  | 125
Dividends declared and paid: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock dividends declared and paid |  | $ (19,047) | $ (16,387) |  |  | $ (19,047) | $ (16,387) |  |  |  |  |  |  |  |  |  | $ (19,047) | $ (16,387) |  |  |
Common stock dividends declared and paid | (221,811) |  |  |  | (221,811) |  |  |  |  |  |  | 2 | 6,886 |  |  | (228,699) |  |  |  |  |
Issuance of common stock: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of stock | 991 |  |  |  | 991 |  |  |  |  |  |  |  | 991 |  |  |  |  |  |  |  |
Issuance of common stock - stock purchase plan | 455 |  |  |  | 455 |  |  |  |  |  |  |  | 455 |  |  |  |  |  |  |  |
Issuance of common stock - ATM equity program | 325,084 |  |  |  | 325,084 |  |  |  |  |  |  | 86 | 324,998 |  |  |  |  |  |  |  |
Issuance of shares of restricted common stock | (309) |  |  |  | (309) |  |  |  |  |  |  | 2 | (311) |  |  |  |  |  |  |  |
Stock issuance costs | (4,178) |  |  |  | (4,178) |  |  |  |  |  |  |  | (4,178) |  |  |  |  |  |  |  |
Amortization of deferred compensation | 8,679 |  |  |  | 8,679 |  |  |  |  |  |  |  | 8,679 |  |  |  |  |  |  |  |
Amortization of interest rate hedges | 1,902 |  |  |  | 1,902 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,902 |
Deferred fair value of forward starting swaps | (13,369) |  |  |  | (13,369) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (13,369) |
Unrealized loss – commercial mortgage residual interests | (585) |  |  |  | (585) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (585) |
Realized gain – commercial mortgage residual interests | 246 |  |  |  | 246 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 246 |
Valuation adjustments – available-for-sale securities | 112 |  |  |  | 112 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 112 |
Contributions from noncontrolling interests | 334 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 334
Distributions to noncontrolling interests | (362) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (362)
Sale of noncontrolling interests | (415) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (415)
Ending balance at Dec. 31, 2015 | 3,342,393 |  |  |  | 3,342,134 |  |  |  | 287,500 | 287,500 | $ 0 | 1,412 | 3,049,198 |  |  | (263,124) |  |  |  | (20,352) | 259
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net earnings | 239,506 |  |  |  | 239,500 |  |  |  |  |  |  |  |  |  |  | 239,500 |  |  |  |  | 6
Dividends declared and paid: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock dividends declared and paid |  | (19,047) | (16,387) | $ (3,189) |  | (19,047) | (16,387) | $ (3,189) |  |  |  |  |  |  |  |  | (19,047) | (16,387) | $ (3,189) |  |
Common stock dividends declared and paid | (249,056) |  |  |  | (249,056) |  |  |  |  |  |  | 2 | 7,949 |  |  | (257,007) |  |  |  |  |
Issuance of common stock: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of stock | 1,148 |  |  | 334,103 | 1,148 |  |  |  |  |  | 345,000 | 0 | 1,148 |  | $ (10,897) |  |  |  |  |  |
Issuance of common stock - stock purchase plan | 389 |  |  |  | 389 |  |  |  |  |  |  |  | 389 |  |  |  |  |  |  |  |
Issuance of common stock - ATM equity program | 269,962 |  |  |  | 269,962 |  |  |  |  |  |  | 57 | 269,905 |  |  |  |  |  |  |  |
Issuance of shares of restricted common stock | (262) |  |  |  | (262) |  |  |  |  |  |  | 2 | (264) |  |  |  |  |  |  |  |
Stock issuance costs | (4,266) |  |  |  | (4,266) |  |  |  |  |  |  |  | (4,266) |  |  |  |  |  |  |  |
Amortization of deferred compensation | 9,609 |  |  |  | 9,609 |  |  |  |  |  |  |  | 9,609 |  |  |  |  |  |  |  |
Amortization of interest rate hedges | 2,802 |  |  |  | 2,802 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,802 |
Deferred fair value of forward starting swaps | 13,345 |  |  |  | 13,345 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13,345 |
Unrealized loss – commercial mortgage residual interests | (182) |  |  |  | (182) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (182) |
Realized gain – commercial mortgage residual interests | (4,272) |  |  |  | (4,272) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (4,272) |
Valuation adjustments – available-for-sale securities | 468 |  |  |  | 468 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 468 |
Distributions to noncontrolling interests | (136) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (136)
Ending balance at Dec. 31, 2016 | 3,916,928 |  |  |  | 3,916,799 |  |  |  | 287,500 | 287,500 | 345,000 | 1,473 | 3,322,771 |  |  | (319,254) |  |  |  | (8,191) | 129
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net earnings | 265,371 |  |  |  | 264,973 |  |  |  |  |  |  |  |  |  |  | 264,973 |  |  |  |  | 398
Dividends declared and paid: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock dividends declared and paid |  | (3,598) | $ (16,387) | $ (17,940) |  | (3,598) | $ (16,387) | $ (17,940) |  |  |  |  |  |  |  |  | (3,598) | $ (16,387) | $ (17,940) |  |
Common stock dividends declared and paid | (268,293) |  |  |  | (268,293) |  |  |  |  |  |  | 2 | 8,825 |  |  | (277,120) |  |  |  |  |
Redemption of 11,500,000 depositary shares of Series D preferred stock |  | $ (287,500) |  |  |  | $ (287,500) |  |  |  |  |  |  |  | $ 9,855 |  |  | $ (9,855) |  |  |  |
Issuance of common stock: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of stock | 1,176 |  |  |  | 1,176 |  |  |  |  |  |  | 1 | 1,175 |  |  |  |  |  |  |  |
Issuance of common stock - stock purchase plan | 563 |  |  |  | 563 |  |  |  |  |  |  |  | 563 |  |  |  |  |  |  |  |
Issuance of common stock - ATM equity program | 247,604 |  |  |  | 247,604 |  |  |  |  |  |  | 58 | 247,546 |  |  |  |  |  |  |  |
Issuance of shares of restricted common stock | (231) |  |  |  | (231) |  |  |  |  |  |  | 3 | (234) |  |  |  |  |  |  |  |
Stock issuance costs | (3,782) |  |  |  | (3,782) |  |  |  |  |  |  |  | (3,782) |  |  |  |  |  |  |  |
Amortization of deferred compensation | 12,630 |  |  |  | 12,630 |  |  |  |  |  |  |  | 12,630 |  |  |  |  |  |  |  |
Amortization of interest rate hedges | 1,932 |  |  |  | 1,932 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,932 |
Deferred fair value of forward starting swaps | (7,688) |  |  |  | (7,688) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (7,688) |
Valuation adjustments – available-for-sale securities | 209 |  |  |  | 209 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 209 |
Distributions to noncontrolling interests | (84) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (84)
Sale of noncontrolling interests | 0 |  |  |  | (126) |  |  |  |  |  |  |  | (126) |  |  |  |  |  |  |  | (126)
Ending balance at Dec. 31, 2017 | $ 3,840,910 |  |  |  | $ 3,840,593 |  |  |  | $ 0 | $ 287,500 | $ 345,000 | $ 1,537 | $ 3,599,475 |  |  | $ (379,181) |  |  |  | $ (13,738) | $ 317

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